{"id":126371,"date":"2023-09-13T12:05:00","date_gmt":"2023-09-13T06:35:00","guid":{"rendered":"https:\/\/www.kopykitab.com\/blog\/?p=126371"},"modified":"2023-11-10T12:32:32","modified_gmt":"2023-11-10T07:02:32","slug":"rd-sharma-class-10-solutions-chapter-6-exercise-6-1","status":"publish","type":"post","link":"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-10-solutions-chapter-6-exercise-6-1\/","title":{"rendered":"RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1 (Updated for 2024)"},"content":{"rendered":"\n<p><img class=\"alignnone size-full wp-image-126378\" src=\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/09\/RD-Sharma-Class-10-Solutions-Chapter-6-Exercise-6.1.jpg\" alt=\"RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1\" width=\"1200\" height=\"675\" srcset=\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/09\/RD-Sharma-Class-10-Solutions-Chapter-6-Exercise-6.1.jpg 1200w, https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/09\/RD-Sharma-Class-10-Solutions-Chapter-6-Exercise-6.1-768x432.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p><strong>RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1:&nbsp;<\/strong>Students will use some basic trigonometric identities to prove useful trigonometric identities in this exercise. The <a href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-10-solutions-for-maths\/\"><strong>RD Sharma Solutions Class 10<\/strong><\/a> is the most important resource for students who want to clear their doubts and prepare for their exams with confidence. Students can download the <a href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-10-solutions-chapter-6-trigonometric-identities\/\"><strong>RD Sharma Solutions for Class 10 Maths Chapter 6 Trigonometric Identities<\/strong><\/a> Exercise 6.1 PDF below for complete step-by-step solutions to exercise questions.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_47_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"ez-toc-toggle-icon-1\"><label for=\"item-69ea92ee7c6af\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #000000;color:#000000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #000000;color:#000000\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input  type=\"checkbox\" id=\"item-69ea92ee7c6af\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-visibility-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-10-solutions-chapter-6-exercise-6-1\/#download-rd-sharma-class-10-solutions-chapter-6-exercise-61-free-pdf\" title=\"Download RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1 Free PDF\">Download RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1 Free PDF<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-10-solutions-chapter-6-exercise-6-1\/#access-answers-to-rd-sharma-solutions-class-10-maths-chapter-6-exercise-61-important-question-with-answers\" title=\"Access answers to RD Sharma Solutions Class 10 Maths Chapter 6 Exercise 6.1- Important Question with Answers\">Access answers to RD Sharma Solutions Class 10 Maths Chapter 6 Exercise 6.1- Important Question with Answers<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-10-solutions-chapter-6-exercise-6-1\/#faqs-on-rd-sharma-class-10-solutions-chapter-6-exercise-61\" title=\"FAQs on RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1\">FAQs on RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-10-solutions-chapter-6-exercise-6-1\/#is-it-important-to-study-all-of-the-concepts-included-in-rd-sharma-class-10-solutions-chapter-6-exercise-61\" title=\"Is it important to study all of the concepts included in RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1?\">Is it important to study all of the concepts included in RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-10-solutions-chapter-6-exercise-6-1\/#where-can-i-download-rd-sharma-class-10-solutions-chapter-6-exercise-61-free-pdf\" title=\"Where can I download RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1 free PDF?\">Where can I download RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1 free PDF?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-10-solutions-chapter-6-exercise-6-1\/#what-are-the-benefits-of-using-rd-sharma-class-10-solutions-chapter-6-exercise-61\" title=\"What are the benefits of using RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1?\">What are the benefits of using RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"download-rd-sharma-class-10-solutions-chapter-6-exercise-61-free-pdf\"><\/span>Download RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1 Free PDF<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div id=\"example1\" style=\"text-align: justify;\">&nbsp;<\/div>\n<p style=\"text-align: justify;\"><style>\n.pdfobject-container { height: 800px;}<br \/>\n.pdfobject { border: 1px solid #666; }<br \/>\n<\/style><\/p>\n<p style=\"text-align: justify;\"><script src=\"https:\/\/www.kopykitab.com\/_utility\/js\/pdfobject.min.js\"><\/script><br><script>PDFObject.embed(\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/09\/RD-Sharma-Solution-Class-10-Chapter-6-Exercise-6.1.pdf\", \"#example1\");<\/script><\/p>\n<p><a href=\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/09\/RD-Sharma-Solution-Class-10-Chapter-6-Exercise-6.1.pdf\">RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"access-answers-to-rd-sharma-solutions-class-10-maths-chapter-6-exercise-61-important-question-with-answers\"><\/span>Access answers to RD Sharma Solutions Class 10 Maths Chapter 6 Exercise 6.1- Important Question with Answers<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Prove the following trigonometric identities :<br>Question 1.<br>(1 \u2013 cos<sup>2<\/sup>&nbsp;A) cosec<sup>2<\/sup>&nbsp;A = 1<br>Solution:<br>(1 \u2013 cos<sup>2<\/sup>&nbsp;A) cosec<sup>2<\/sup>&nbsp;A = 1<br>L.H.S. = (1 \u2013 cos<sup>2<\/sup>&nbsp;A) cosec<sup>2<\/sup>&nbsp;A = sin<sup>2<\/sup>&nbsp;A cosec<sup>2<\/sup>&nbsp;A (\u2235 1 \u2013 cos<sup>2<\/sup>&nbsp;A = sin<sup>2<\/sup>&nbsp;A)<br>= (sin A cosec A)<sup>2<\/sup>&nbsp;= (l)<sup>2<\/sup>&nbsp;= 1 = R.H.S. {sin A cosec A = 1 }<\/p>\n<p>Question 2.<br>(1 + cot<sup>2<\/sup>&nbsp;A) sin<sup>2<\/sup>&nbsp;A = 1<br>Solution:<br>(1 + cot<sup>2<\/sup>&nbsp;A) sin<sup>2<\/sup>&nbsp;A = 1<br>L.H.S. = (1 + cot<sup>2<\/sup>&nbsp;A) (sin<sup>2<\/sup>&nbsp;A)<br>= cosec<sup>2<\/sup>&nbsp;A sin<sup>2<\/sup>&nbsp;A {1 + cot<sup>2<\/sup>&nbsp;A = cosec<sup>2<\/sup>&nbsp;A}<br>= [cosec A sin A]<sup>2<\/sup><br>= (1)<sup>2<\/sup>= 1 = R.H.S. (\u2235 sin A cosec A = 1<\/p>\n<p>Question 3.<br>tan<sup>2<\/sup>&nbsp;\u03b8 cos<sup>2&nbsp;<\/sup>&nbsp;\u03b8 = 1- cos<sup>2&nbsp;<\/sup>&nbsp;\u03b8<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1941\/30707406157_b00342f73b_o.png\" alt=\"RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"349\" height=\"221\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1922\/30707405997_36a6c11fb3_o.png\" alt=\"RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"188\" height=\"31\"><\/p>\n<p>Question 4.<br><img src=\"https:\/\/farm2.staticflickr.com\/1919\/30707405817_62ed039cc1_o.png\" alt=\"Trigonometric Identities Class 10 RD Sharma \" width=\"207\" height=\"49\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1969\/45648422621_74f2c02324_o.png\" alt=\"Trigonometric Identities Class 10 RD Sharma \" width=\"345\" height=\"180\"><\/p>\n<p>Question 5.<br>(sec<sup>2<\/sup>&nbsp;\u03b8&nbsp;\u2013 1) (cosec<sup>2<\/sup>&nbsp;\u03b8&nbsp;\u2013 1) = 1<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1908\/45648422411_dcb84b8053_o.png\" alt=\"RD Sharma Class 10 Solutions Trigonometric Identities \" width=\"365\" height=\"185\"><\/p>\n<p>Question 6.<br><img src=\"https:\/\/farm2.staticflickr.com\/1935\/30707406247_947fa6b068_o.png\" alt=\"RD Sharma Class 10 Solutions Trigonometric Identities \" width=\"259\" height=\"57\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1924\/45648422111_2777f6b169_o.png\" alt=\"RD Sharma Class 10 Solutions Chapter 6 Trigonometric Identities \" width=\"348\" height=\"408\"><\/p>\n<p>Question 7.<br><img src=\"https:\/\/farm2.staticflickr.com\/1946\/45648421921_de83347a0d_o.png\" alt=\"RD Sharma Class 10 Pdf Chapter 6 Trigonometric Identities \" width=\"179\" height=\"62\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1938\/45648421831_9df753fca1_o.png\" alt=\"RD Sharma Class 10 Solutions Chapter 6 Trigonometric Identities \" width=\"369\" height=\"357\"><\/p>\n<p>Question 8.<br><img src=\"https:\/\/farm2.staticflickr.com\/1952\/45648421731_c1bd973b14_o.png\" alt=\"RD Sharma Class 10 Pdf Chapter 6 Trigonometric Identities \" width=\"337\" height=\"63\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1908\/45648421581_8b6bf2e5e6_o.png\" alt=\"RD Sharma Solutions Class 10 Chapter 6 Trigonometric Identities \" width=\"353\" height=\"353\"><\/p>\n<p>Question 9.<br><img src=\"https:\/\/farm2.staticflickr.com\/1938\/45648421451_ea3c025a77_o.png\" alt=\"Learncbse.In Class 10 Chapter 6 Trigonometric Identities \" width=\"330\" height=\"92\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1907\/45648421361_0870675a41_o.png\" alt=\"RD Sharma Solutions Class 10 Chapter 6 Trigonometric Identities \" width=\"365\" height=\"327\"><\/p>\n<p>Question 10.<br><img src=\"https:\/\/farm2.staticflickr.com\/1964\/45648421201_e3cb4c8f07_o.png\" alt=\"Learncbse.In Class 10 Chapter 6 Trigonometric Identities \" width=\"206\" height=\"56\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1934\/45648421111_7e26c0df52_o.png\" alt=\"Class 10 RD Sharma Solutions Chapter 6 Trigonometric Identities \" width=\"359\" height=\"381\"><\/p>\n<p>Question 11.<br><img src=\"https:\/\/farm2.staticflickr.com\/1960\/45648420931_75ac907304_o.png\" alt=\"Class 10 RD Sharma Solutions Chapter 6 Trigonometric Identities \" width=\"241\" height=\"68\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1911\/45648420821_e87e56dc08_o.png\" alt=\"RD Sharma Class 10 Pdf Free Download Full Book Chapter 6 Trigonometric Identities \" width=\"247\" height=\"62\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1948\/45648420691_0ea226f071_o.png\" alt=\"RD Sharma Class 10 Solution Chapter 6 Trigonometric Identities \" width=\"346\" height=\"332\"><\/p>\n<p>Question 12.<br><img src=\"https:\/\/farm2.staticflickr.com\/1952\/30707403727_3e42d57c3b_o.png\" alt=\"RD Sharma Class 10 Pdf Free Download Full Book Chapter 6 Trigonometric Identities \" width=\"210\" height=\"56\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1945\/45648420341_618a118c02_o.png\" alt=\"RD Sharma Class 10 Solution Chapter 6 Trigonometric Identities \" width=\"341\" height=\"325\"><\/p>\n<p>Question 13.<br><img src=\"https:\/\/farm2.staticflickr.com\/1908\/45648420121_6f1de7d3ec_o.png\" alt=\"RD Sharma Maths Class 10 Solutions Pdf Free Download Chapter 6 Trigonometric Identities \" width=\"328\" height=\"91\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1956\/45597892832_767f8a08b8_o.png\" alt=\"RD Sharma Class 10 Pdf Ebook Chapter 6 Trigonometric Identities \" width=\"378\" height=\"178\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1949\/45597892662_8ff8f82d8e_o.png\" alt=\"RD Sharma Maths Class 10 Solutions Pdf Free Download Chapter 6 Trigonometric Identities \" width=\"367\" height=\"362\"><\/p>\n<p>Question 14.<br><img src=\"https:\/\/farm2.staticflickr.com\/1905\/30707403047_46f107e8e5_o.png\" alt=\"RD Sharma Class 10 Pdf Ebook Chapter 6 Trigonometric Identities \" width=\"330\" height=\"88\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1908\/45597892412_3aef5946c2_o.png\" alt=\"RD Sharma Class 10 Book Pdf Free Download Chapter 6 Trigonometric Identities \" width=\"352\" height=\"471\"><\/p>\n<p>Question 15.<br><img src=\"https:\/\/farm2.staticflickr.com\/1925\/45597892182_7edc662a48_o.png\" alt=\"Class 10 RD Sharma Chapter 6 Trigonometric Identities \" width=\"214\" height=\"67\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1913\/30707402397_715dff2fb2_o.png\" alt=\"RD Sharma Class 10 Book Pdf Free Download Chapter 6 Trigonometric Identities \" width=\"357\" height=\"380\"><\/p>\n<p>Question 16.<br>tan<sup>2&nbsp;<\/sup>&nbsp;\u03b8 \u2013 sin<sup>2&nbsp;<\/sup>&nbsp;\u03b8 = tan<sup>2&nbsp;<\/sup>&nbsp;\u03b8 sin<sup>2<\/sup>&nbsp;\u03b8<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1974\/45597892062_15bfcfb2ec_o.png\" alt=\"Class 10 RD Sharma Chapter 6 Trigonometric Identities \" width=\"346\" height=\"454\"><\/p>\n<p>Question 17.<br>(sec \u03b8 + cos \u03b8 ) (sec \u03b8 \u2013 cos \u03b8 ) = tan<sup>2&nbsp;<\/sup>&nbsp;\u03b8 + sin<sup>2<\/sup>&nbsp;\u03b8<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1902\/31775932018_fbda6a3ca3_o.png\" alt=\"RD Sharma 10 Class Solutions Chapter 6 Trigonometric Identities \" width=\"341\" height=\"50\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1924\/45597891922_b48bd2aa2e_o.png\" alt=\"RD Sharma Maths Class 10 Solutions Chapter 6 Trigonometric Identities \" width=\"332\" height=\"244\"><\/p>\n<p>Question 18.<br>(cosec \u03b8 + sin \u03b8) (cosec \u03b8 \u2013 sin \u03b8) = cot<sup>2<\/sup>&nbsp;\u03b8 + cos<sup>2<\/sup>&nbsp;\u03b8<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1978\/30707401917_04d2fc6912_o.png\" alt=\"RD Sharma 10 Class Solutions Chapter 6 Trigonometric Identities \" width=\"354\" height=\"288\"><\/p>\n<p>Question 19.<br>sec A (1 \u2013 sin A) (sec A + tan A) = 1 (C.B.S.E. 1993)<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1969\/31775931628_29e3cdd9f0_o.png\" alt=\"RD Sharma Maths Class 10 Solutions Chapter 6 Trigonometric Identities \" width=\"341\" height=\"343\"><\/p>\n<p>Question 20.<br>(cosec A \u2013 sin A) (sec A \u2013 cos A) (tan A + cot A) = 1<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1918\/45597891142_18690fd4c1_o.png\" alt=\"RD Sharma Class 10 Textbook PDF Chapter 6 Trigonometric Identities \" width=\"347\" height=\"541\"><\/p>\n<p>Question 21.<br>(1 + tan<sup>2&nbsp;<\/sup>&nbsp;\u03b8) (1 \u2013 sin \u03b8) (1 + sin \u03b8) = 1<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1944\/45597913072_9736720f79_o.png\" alt=\"Maths RD Sharma Class 10 Solutions Chapter 6 Trigonometric Identities \" width=\"358\" height=\"237\"><\/p>\n<p>Question 22.<br>sin<sup>2<\/sup>&nbsp;A cot<sup>2<\/sup>&nbsp;A + cos<sup>2<\/sup>&nbsp;A tan<sup>2<\/sup>&nbsp;A = 1 (C.B.S.E. 1992C)<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1953\/45597912832_a7da4c8295_o.png\" alt=\"RD Sharma Class 10 Textbook PDF Chapter 6 Trigonometric Identities \" width=\"248\" height=\"29\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1925\/43830194520_4e51e74dc9_o.png\" alt=\"Maths RD Sharma Class 10 Solutions Chapter 6 Trigonometric Identities \" width=\"348\" height=\"302\"><\/p>\n<p>Question 23.<br><img src=\"https:\/\/farm2.staticflickr.com\/1924\/43830194390_8c9ce10eae_o.png\" alt=\"Maths RD Sharma Class 10 Solutions Chapter 6 Trigonometric Identities \" width=\"367\" height=\"178\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1962\/43830194160_03a945ab0e_o.png\" alt=\"RD Sharma Class 10 Textbook PDF Chapter 6 Trigonometric Identities \" width=\"373\" height=\"504\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1976\/43830194040_7924158e8c_o.png\" alt=\"10th Maths Solution Book Pdf Chapter 6 Trigonometric Identities \" width=\"354\" height=\"441\"><\/p>\n<p>Question 24.<br><img src=\"https:\/\/farm2.staticflickr.com\/1930\/43830193840_a0e2e9a293_o.png\" alt=\"RD Sharma 10 Chapter 6 Trigonometric Identities \" width=\"327\" height=\"96\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1914\/45597911972_6dbeb369a5_o.png\" alt=\"10th Maths Solution Book Pdf Chapter 6 Trigonometric Identities \" width=\"362\" height=\"448\"><\/p>\n<p>Question 25.<br><img src=\"https:\/\/farm2.staticflickr.com\/1948\/43830193560_9f80cf740c_o.png\" alt=\"RD Sharma 10 Chapter 6 Trigonometric Identities \" width=\"334\" height=\"94\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1938\/43830193420_0501b5a1e5_o.png\" alt=\"10th Maths Solution Book Pdf Chapter 6 Trigonometric Identities \" width=\"355\" height=\"360\"><\/p>\n<p>Question 26.<br><img src=\"https:\/\/farm2.staticflickr.com\/1927\/43830193340_a4694b91f5_o.png\" alt=\"RD Sharma Class 10 Book Pdf Chapter 6 Trigonometric Identities \" width=\"335\" height=\"59\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1966\/43830193210_7f6bb6a293_o.png\" alt=\"RD Sharma 10 Chapter 6 Trigonometric Identities \" width=\"356\" height=\"441\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1945\/43830193110_79471a6248_o.png\" alt=\"Solution Of RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"341\" height=\"129\"><\/p>\n<p>Question 27.<br><img src=\"https:\/\/farm2.staticflickr.com\/1905\/43830192930_3b97706ce0_o.png\" alt=\"RD Sharma Class 10 Book Pdf Chapter 6 Trigonometric Identities \" width=\"329\" height=\"93\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1959\/43830192820_55d0d6b666_o.png\" alt=\"Solution Of RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"344\" height=\"348\"><\/p>\n<p>Question 28.<br><img src=\"https:\/\/farm2.staticflickr.com\/1903\/43830192700_aabd874a5d_o.png\" alt=\"RD Sharma Class 10 Book Pdf Chapter 6 Trigonometric Identities \" width=\"340\" height=\"92\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1966\/43830192520_ed08cda889_o.png\" alt=\"Solution Of RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"337\" height=\"280\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1970\/45597910692_d85db64129_o.png\" alt=\"RD Sharma 10 Solutions Chapter 6 Trigonometric Identities \" width=\"349\" height=\"368\"><\/p>\n<p>Question 29.<br><img src=\"https:\/\/farm2.staticflickr.com\/1948\/31775949048_ecefd7e4b6_o.png\" alt=\"RD Sharma Maths Book For Class 10 Solution Chapter 6 Trigonometric Identities \" width=\"178\" height=\"67\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1975\/31775948928_505e6f9717_o.png\" alt=\"RD Sharma 10 Solutions Chapter 6 Trigonometric Identities \" width=\"307\" height=\"531\"><\/p>\n<p>Question 30.<br><img src=\"https:\/\/farm2.staticflickr.com\/1957\/31775948648_0fa0a56198_o.png\" alt=\"RD Sharma Maths Book For Class 10 Solution Chapter 6 Trigonometric Identities \" width=\"331\" height=\"60\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1931\/31775948558_0830841fc7_o.png\" alt=\"RD Sharma 10 Solutions Chapter 6 Trigonometric Identities \" width=\"359\" height=\"712\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1980\/31775948468_4fa7750c6e_o.png\" alt=\"RD Sharma Maths Book For Class 10 Solution Chapter 6 Trigonometric Identities \" width=\"236\" height=\"149\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1910\/31775948378_63dd737e54_o.png\" alt=\"RD Sharma Maths Book For Class 10 Solution Chapter 6 Trigonometric Identities \" width=\"378\" height=\"220\"><\/p>\n<p>Question 31.<br>sec<sup>6<\/sup>&nbsp;\u03b8= tan<sup>6&nbsp;<\/sup>&nbsp;\u03b8&nbsp;+ 3 tan<sup>2&nbsp;<\/sup>&nbsp;\u03b8 sec<sup>2&nbsp;<\/sup>&nbsp;\u03b8 + 1<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1920\/31775948268_06b99947d8_o.png\" alt=\"RD Sharma Class 10 Maths Chapter 6 Trigonometric Identities \" width=\"356\" height=\"520\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1933\/31775948178_ba761ca50d_o.png\" alt=\"RD Sharma Mathematics Class 10 Pdf Download Free Chapter 6 Trigonometric Identities \" width=\"374\" height=\"281\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1938\/31775948058_55d086d070_o.png\" alt=\"RD Sharma Class 10 Maths Chapter 6 Trigonometric Identities \" width=\"331\" height=\"133\"><\/p>\n<p>Question 32.<br>cosec<sup>6&nbsp;<\/sup>&nbsp;\u03b8 = cot<sup>6&nbsp;<\/sup>&nbsp;\u03b8+ 3cot<sup>2<\/sup>\u03b8&nbsp;cosec<sup>2&nbsp;<\/sup>&nbsp;\u03b8 + 1<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1919\/31775947968_61809a0e29_o.png\" alt=\"RD Sharma Class 10 Maths Chapter 6 Trigonometric Identities \" width=\"349\" height=\"442\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1911\/45597909212_32b37aa2d3_o.png\" alt=\"Answers Of RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"341\" height=\"342\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1919\/45597909082_9a77c0f32a_o.png\" alt=\"RD Sharma Mathematics Class 10 Pdf Download Free Chapter 6 Trigonometric Identities \" width=\"257\" height=\"57\"><\/p>\n<p>Question 33.<br><img src=\"https:\/\/farm2.staticflickr.com\/1969\/43830190630_abe8bd8c1f_o.png\" alt=\"Answers Of RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"214\" height=\"73\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1913\/43830190520_9da0291c00_o.png\" alt=\"RD Sharma Mathematics Class 10 Pdf Download Free Chapter 6 Trigonometric Identities \" width=\"265\" height=\"308\"><\/p>\n<p>Question 34.<br><img src=\"https:\/\/farm2.staticflickr.com\/1958\/43830190430_a656f5f2b7_o.png\" alt=\"Answers Of RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"198\" height=\"66\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1957\/43830190280_f3d782bc36_o.png\" alt=\"Class 10 RD Sharma Pdf Chapter 6 Trigonometric Identities \" width=\"340\" height=\"337\"><\/p>\n<p>Question 35.<br><img src=\"https:\/\/farm2.staticflickr.com\/1976\/43830190170_18789a31f6_o.png\" alt=\"RD Sharma Class 10 Solutions Pdf Free Download Chapter 6 Trigonometric Identities \" width=\"239\" height=\"55\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1980\/43830190020_42f25d6314_o.png\" alt=\"Class 10 RD Sharma Pdf Chapter 6 Trigonometric Identities \" width=\"370\" height=\"688\"><\/p>\n<p>Question 36.<br><img src=\"https:\/\/farm2.staticflickr.com\/1916\/43830189900_7c92b6a34d_o.png\" alt=\"RD Sharma Class 10 Solutions Pdf Free Download Chapter 6 Trigonometric Identities \" width=\"206\" height=\"54\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1975\/43830189760_0b2a79f91a_o.png\" alt=\"Class 10 RD Sharma Pdf Chapter 6 Trigonometric Identities \" width=\"212\" height=\"202\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1935\/43830189590_21b7e32da0_o.png\" alt=\"RD Sharma Class 10 Solutions Pdf Free Download Chapter 6 Trigonometric Identities \" width=\"341\" height=\"237\"><\/p>\n<p>Question 37.<br><img src=\"https:\/\/farm2.staticflickr.com\/1937\/43830189460_47aff7e577_o.png\" alt=\"Answers Of RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"359\" height=\"144\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1941\/31775946478_677f15cf8f_o.png\" alt=\"RD Sharma Class 10 Maths Chapter 6 Trigonometric Identities \" width=\"352\" height=\"611\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1910\/31775946298_083db9d158_o.png\" alt=\"Answers Of RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"353\" height=\"400\"><\/p>\n<p>Question 38.<br><img src=\"https:\/\/farm2.staticflickr.com\/1980\/31775946168_88f038d779_o.png\" alt=\"RD Sharma Class 10 Maths Chapter 6 Trigonometric Identities \" width=\"375\" height=\"382\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1924\/31775946058_a618a223ab_o.png\" alt=\"Answers Of RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"361\" height=\"207\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1939\/31775945588_bd02b263b3_o.png\" alt=\"RD Sharma Class 10 Maths Chapter 6 Trigonometric Identities \" width=\"363\" height=\"545\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1962\/31775945688_4bb440e9b6_o.png\" alt=\"RD Sharma 10 Solutions Chapter 6 Trigonometric Identities \" width=\"363\" height=\"574\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1925\/31775945948_43bc4ceb35_o.png\" alt=\"Answers Of RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"314\" height=\"415\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1930\/31775945438_71f03156fc_o.png\" alt=\"RD Sharma Class 10 Maths Chapter 6 Trigonometric Identities \" width=\"337\" height=\"463\"><\/p>\n<p>Question 39.<br><img src=\"https:\/\/farm2.staticflickr.com\/1953\/43830188190_3bd4f8e4af_o.png\" alt=\"RD Sharma 10 Solutions Chapter 6 Trigonometric Identities \" width=\"253\" height=\"57\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1911\/43830188100_7308c6759a_o.png\" alt=\"RD Sharma Class 10 Book Pdf Chapter 6 Trigonometric Identities \" width=\"321\" height=\"393\"><\/p>\n<p>Question 40.<br><img src=\"https:\/\/farm2.staticflickr.com\/1925\/43830188110_f9c867a3fc_o.png\" alt=\"RD Sharma Class 10 Book Pdf Chapter 6 Trigonometric Identities \" width=\"258\" height=\"58\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1919\/43830187970_56ba8b4f13_o.png\" alt=\"RD Sharma 10 Solutions Chapter 6 Trigonometric Identities \" width=\"295\" height=\"407\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1972\/43830187850_6e5ac8b664_o.png\" alt=\"RD Sharma 10 Solutions Chapter 6 Trigonometric Identities \" width=\"239\" height=\"109\"><\/p>\n<p>Question 41.<br><img src=\"https:\/\/farm2.staticflickr.com\/1910\/43830187740_043c92fe79_o.png\" alt=\"RD Sharma Class 10 Book Pdf Chapter 6 Trigonometric Identities \" width=\"333\" height=\"55\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1925\/43830187640_36c590f3e2_o.png\" alt=\"10th Maths Solution Book Pdf Chapter 6 Trigonometric Identities \" width=\"356\" height=\"464\"><\/p>\n<p>Question 42.<br><img src=\"https:\/\/farm2.staticflickr.com\/1970\/43830187520_46509a8b0a_o.png\" alt=\"RD Sharma Class 10 Book Pdf Chapter 6 Trigonometric Identities \" width=\"321\" height=\"68\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1947\/45597905262_94cc7130b1_o.png\" alt=\"RD Sharma Class 10 Textbook PDF Chapter 6 Trigonometric Identities \" width=\"320\" height=\"231\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1913\/43830187320_c963240c48_o.png\" alt=\"10th Maths Solution Book Pdf Chapter 6 Trigonometric Identities \" width=\"309\" height=\"409\"><\/p>\n<p>Question 43.<br><img src=\"https:\/\/farm2.staticflickr.com\/1926\/43830187100_7123b485c7_o.png\" alt=\"RD Sharma Class 10 Textbook PDF Chapter 6 Trigonometric Identities \" width=\"298\" height=\"61\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1905\/45648443561_80952c7927_o.png\" alt=\"10th Maths Solution Book Pdf Chapter 6 Trigonometric Identities \" width=\"337\" height=\"436\"><\/p>\n<p>Question 44.<br><img src=\"https:\/\/farm2.staticflickr.com\/1912\/45597904832_e04b60b9a0_o.png\" alt=\"RD Sharma Maths Class 10 Solutions Chapter 6 Trigonometric Identities \" width=\"255\" height=\"65\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1958\/45648443391_be3b0251d0_o.png\" alt=\"RD Sharma Class 10 Textbook PDF Chapter 6 Trigonometric Identities \" width=\"316\" height=\"335\"><\/p>\n<p>Question 45.<br><img src=\"https:\/\/farm2.staticflickr.com\/1927\/45648443151_7829ef1c4d_o.png\" alt=\"RD Sharma Maths Class 10 Solutions Chapter 6 Trigonometric Identities \" width=\"335\" height=\"92\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1915\/43830186610_e01e11f56f_o.png\" alt=\"RD Sharma Class 10 Textbook PDF Chapter 6 Trigonometric Identities \" width=\"387\" height=\"531\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1968\/45648442991_eaf320c4bc_o.png\" alt=\"RD Sharma Maths Class 10 Solutions Chapter 6 Trigonometric Identities \" width=\"299\" height=\"435\"><\/p>\n<p>Question 46.<br><img src=\"https:\/\/farm2.staticflickr.com\/1924\/45648442921_ff9ca73307_o.png\" alt=\"RD Sharma Class 10 Book Pdf Free Download Chapter 6 Trigonometric Identities \" width=\"207\" height=\"63\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1968\/43830186210_dec9feaa50_o.png\" alt=\"RD Sharma Class 10 Book Pdf Free Download Chapter 6 Trigonometric Identities \" width=\"305\" height=\"394\"><\/p>\n<p>Question 47.<br><img src=\"https:\/\/farm2.staticflickr.com\/1910\/43830186050_f6c9bfacdc_o.png\" alt=\"RD Sharma Class 10 Pdf Ebook Chapter 6 Trigonometric Identities \" width=\"255\" height=\"57\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1918\/43830185830_88759da531_o.png\" alt=\"RD Sharma Class 10 Pdf Free Download Full Book Chapter 6 Trigonometric Identities \" width=\"376\" height=\"207\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1932\/31775941418_b93f37413a_o.png\" alt=\"RD Sharma Class 10 Pdf Ebook Chapter 6 Trigonometric Identities \" width=\"262\" height=\"207\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1905\/31775941688_b6c4349e36_o.png\" alt=\"RD Sharma Class 10 Pdf Free Download Full Book Chapter 6 Trigonometric Identities \" width=\"363\" height=\"651\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1963\/45648441851_360c10ab2f_o.png\" alt=\"RD Sharma Class 10 Pdf Ebook Chapter 6 Trigonometric Identities \" width=\"329\" height=\"332\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1928\/43830184950_0924277328_o.png\" alt=\"RD Sharma Class 10 Pdf Free Download Full Book Chapter 6 Trigonometric Identities \" width=\"388\" height=\"661\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1916\/43830185200_ddb1332b3d_o.png\" alt=\"RD Sharma Class 10 Pdf Ebook Chapter 6 Trigonometric Identities \" width=\"374\" height=\"340\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1931\/43830185530_66a56ba987_o.png\" alt=\"RD Sharma Class 10 Pdf Free Download Full Book Chapter 6 Trigonometric Identities \" width=\"340\" height=\"170\"><\/p>\n<p>Question 48.<br><img src=\"https:\/\/farm2.staticflickr.com\/1934\/31775940998_7ddfdf1b59_o.png\" alt=\"Learncbse.In Class 10 Chapter 6 Trigonometric Identities \" width=\"342\" height=\"164\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1927\/31775940828_ba113b12e7_o.png\" alt=\"RD Sharma Class 10 Pdf Chapter 6 Trigonometric Identities \" width=\"288\" height=\"647\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1910\/31775940628_7a882ba801_o.png\" alt=\"Learncbse.In Class 10 Chapter 6 Trigonometric Identities \" width=\"379\" height=\"690\"><\/p>\n<p>Question 49.<br>tan<sup>2<\/sup>&nbsp;A + cot<sup>2<\/sup>&nbsp;A = sec<sup>2<\/sup>&nbsp;A cosec<sup>2<\/sup>&nbsp;A \u2013 2<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1941\/31775940438_661cefd413_o.png\" alt=\"RD Sharma Class 10 Pdf Chapter 6 Trigonometric Identities \" width=\"335\" height=\"270\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1910\/31775940228_4d50c9d584_o.png\" alt=\"Learncbse.In Class 10 Chapter 6 Trigonometric Identities \" width=\"344\" height=\"282\"><\/p>\n<p>Question 50.<br><img src=\"https:\/\/farm2.staticflickr.com\/1963\/31775940138_b8318951d2_o.png\" alt=\"RD Sharma Class 10 Pdf Chapter 6 Trigonometric Identities \" width=\"349\" height=\"88\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1938\/31775939848_31f4d9b84c_o.png\" alt=\"RD Sharma Class 10 Solutions Trigonometric Identities \" width=\"369\" height=\"522\"><\/p>\n<p>Question 51.<br><img src=\"https:\/\/farm2.staticflickr.com\/1907\/45648440051_1f5c327b81_o.png\" alt=\"RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"206\" height=\"59\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1972\/45648439911_861365fe7a_o.png\" alt=\"RD Sharma Class 10 Solutions Trigonometric Identities \" width=\"284\" height=\"667\"><\/p>\n<p>Question 52.<br><img src=\"https:\/\/farm2.staticflickr.com\/1924\/44734081805_a800f84210_o.png\" alt=\"RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"282\" height=\"52\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1919\/44734081775_07c4d98dfe_o.png\" alt=\"RD Sharma Class 10 Solutions Trigonometric Identities \" width=\"306\" height=\"218\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1933\/44734081665_66309632d5_o.png\" alt=\"RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"336\" height=\"463\"><\/p>\n<p>Question 53.<br><img src=\"https:\/\/farm2.staticflickr.com\/1960\/44734081585_8fd14a1112_o.png\" alt=\"RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"333\" height=\"139\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1968\/44734081545_00db9f9b7c_o.png\" alt=\"Trigonometric Identities Class 10 RD Sharma \" width=\"338\" height=\"333\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1953\/45648438481_367838b344_o.png\" alt=\"RD Sharma Class 10 Solutions Chapter 6 Trigonometric Identities \" width=\"309\" height=\"182\"><\/p>\n<p>Question 54.<br>sin<sup>2<\/sup>&nbsp;A cos<sup>2<\/sup>&nbsp;B \u2013 cos<sup>2<\/sup>&nbsp;A sin<sup>2<\/sup>&nbsp;B = sin<sup>2<\/sup>&nbsp;A \u2013 sin<sup>2&nbsp;<\/sup>B.<br>Solution:<br>L.H.S. = sin<sup>2<\/sup>&nbsp;A cos<sup>2<\/sup>&nbsp;B \u2013 cos<sup>2<\/sup>&nbsp;A sin<sup>2<\/sup>&nbsp;B<br>= sin<sup>2<\/sup>&nbsp;A (1 \u2013 sin<sup>2<\/sup>&nbsp;B) \u2013 (1 \u2013 sin<sup>2<\/sup>&nbsp;A) sin<sup>2<\/sup>&nbsp;B<br>= sin<sup>2<\/sup>&nbsp;A \u2013 sin<sup>2<\/sup>&nbsp;A sin<sup>2<\/sup>&nbsp;B \u2013 sin<sup>2<\/sup>&nbsp;B + sin<sup>2<\/sup>&nbsp;A sin<sup>2<\/sup>&nbsp;B<br>= sin<sup>2<\/sup>&nbsp;A \u2013 sin<sup>2<\/sup>&nbsp;B<br>Hence, L.H.S. = R.H.S.<\/p>\n<p>Question 55.<br><img src=\"https:\/\/farm2.staticflickr.com\/1927\/45648438111_3a79787340_o.png\" alt=\"Trigonometric Identities Class 10 RD Sharma \" width=\"307\" height=\"116\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1955\/45648437711_187833cbd5_o.png\" alt=\"RD Sharma Class 10 Solutions Chapter 6 Trigonometric Identities \" width=\"357\" height=\"482\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1953\/45648437381_3f538f9854_o.png\" alt=\"Trigonometric Identities Class 10 RD Sharma \" width=\"338\" height=\"241\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1939\/30707414647_fa118c9f70_o.png\" alt=\"RD Sharma Class 10 Solutions Chapter 6 Trigonometric Identities \" width=\"368\" height=\"705\"><\/p>\n<p>Question 56.<br>cot<sup>2<\/sup>&nbsp;A cosec<sup>2<\/sup>&nbsp;B \u2013 cot<sup>2<\/sup>&nbsp;B cosec<sup>2<\/sup>&nbsp;A = cot<sup>2<\/sup>&nbsp;A \u2013 cot<sup>2<\/sup>&nbsp;B<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1978\/44734081075_c7c9ab6d92_o.png\" alt=\"RD Sharma Solutions Class 10 Chapter 6 Trigonometric Identities \" width=\"400\" height=\"678\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1921\/44734081045_ed3a9373a4_o.png\" alt=\"RD Sharma Solutions Class 10 Chapter 6 Trigonometric Identities \" width=\"392\" height=\"168\"><\/p>\n<p>Question 57.<br>tan<sup>2<\/sup>&nbsp;A sec<sup>2<\/sup>&nbsp;B \u2013 sec<sup>2<\/sup>&nbsp;A tan<sup>2<\/sup>&nbsp;B = tan<sup>2<\/sup>&nbsp;A \u2013 tan<sup>2&nbsp;<\/sup>B<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1961\/44734080985_259c612938_o.png\" alt=\"RD Sharma Solutions Class 10 Chapter 6 Trigonometric Identities \" width=\"346\" height=\"50\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1917\/44734080955_7c76bbfaff_o.png\" alt=\"RD Sharma Solutions Class 10 Chapter 6 Trigonometric Identities \" width=\"384\" height=\"628\"><\/p>\n<p>Prove the following identities: (58-75)<br>Question 58.<br>If x = a sec \u03b8 + b tan \u03b8 and y = a tan \u03b8 + b sec \u03b8, prove that x<sup>1<\/sup>&nbsp;\u2013 y<sup>2<\/sup>&nbsp;= a<sup>2<\/sup>&nbsp;\u2013 b<sup>1<\/sup>. [C.B.S.E. 2001, 20O2C]<br>Solution:<br>x \u2013 a sec \u03b8 + b tan \u03b8<br>y = a tan \u03b8 + b sec \u03b8<br>Squaring and subtracting, we get<br>x<sup>2<\/sup>-y<sup>2<\/sup>&nbsp;= {a sec \u03b8 + b tan \u03b8)<sup>2<\/sup>&nbsp;\u2013 (a tan \u03b8 + b sec \u03b8)<sup>2<br><\/sup>= (a<sup>2<\/sup>&nbsp;sec<sup>2<\/sup>&nbsp;\u03b8 + b<sup>2<\/sup>&nbsp;tan<sup>2&nbsp;<\/sup>&nbsp;\u03b8 + 2ab sec \u03b8 x tan \u03b8) \u2013 (a<sup>2<\/sup>&nbsp;tan<sup>2&nbsp;<\/sup>&nbsp;\u03b8 + b<sup>2<\/sup>&nbsp;sec<sup>2&nbsp;<\/sup>&nbsp;\u03b8 + 2ab tan \u03b8 sec \u03b8)<br>= a<sup>2<\/sup>&nbsp;sec<sup>2<\/sup>&nbsp;\u03b8 + b tan<sup>2&nbsp;<\/sup>&nbsp;\u03b8 + lab tan \u03b8 sec \u03b8 \u2013 a<sup>2&nbsp;<\/sup>tan<sup>2&nbsp;<\/sup>&nbsp;\u03b8 \u2013 b<sup>2<\/sup>&nbsp;sec<sup>2&nbsp;<\/sup>&nbsp;\u03b8 \u2013 2ab sec \u03b8 tan \u03b8<br>= a<sup>2<\/sup>&nbsp;(sec<sup>2<\/sup>&nbsp;\u03b8 \u2013 tan<sup>2&nbsp;<\/sup>&nbsp;\u03b8) + b<sup>2<\/sup>&nbsp;(tan<sup>2&nbsp;<\/sup>&nbsp;\u03b8 \u2013 sec<sup>2&nbsp;<\/sup>&nbsp;\u03b8)<br>= a<sup>2<\/sup>&nbsp;(sec<sup>2<\/sup>&nbsp;\u03b8 \u2013 tan<sup>2&nbsp;<\/sup>&nbsp;\u03b8) \u2013 b<sup>2<\/sup>&nbsp;(sec<sup>2&nbsp;<\/sup>&nbsp;\u03b8 \u2013 tan<sup>2&nbsp;<\/sup>&nbsp;\u03b8)<br>= a<sup>2&nbsp;<\/sup>x 1-b<sup>2<\/sup>&nbsp;x 1 =a<sup>2<\/sup>-b<sup>2<\/sup>&nbsp;= R.H.S.<\/p>\n<p>Question 59.<br>If 3 sin \u03b8 + 5 cos \u03b8 = 5, prove that 5 sin \u03b8 \u2013 3 cos \u03b8 = \u00b13<br>Solutioon:<br><img src=\"https:\/\/farm2.staticflickr.com\/1952\/31775937628_5ab2a940e1_o.png\" alt=\"Class 10 RD Sharma Solutions Chapter 6 Trigonometric Identities \" width=\"380\" height=\"392\"><\/p>\n<p>Question 60.<br>If cosec \u03b8 + cot \u03b8 = mand cosec \u03b8 \u2013 cot \u03b8 = n,prove that mn= 1<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1914\/44734080885_8814d34c7d_o.png\" alt=\"RD Sharma Class 10 Solution Chapter 6 Trigonometric Identities \" width=\"380\" height=\"229\"><\/p>\n<p>Question 61.<br><img src=\"https:\/\/farm2.staticflickr.com\/1947\/44734080845_fd8b724a48_o.png\" alt=\"Class 10 RD Sharma Solutions Chapter 6 Trigonometric Identities \" width=\"340\" height=\"80\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1973\/44734080815_3bb23a36e4_o.png\" alt=\"RD Sharma Class 10 Solution Chapter 6 Trigonometric Identities \" width=\"336\" height=\"60\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1930\/31775937508_0ff9f98bd0_o.png\" alt=\"Class 10 RD Sharma Solutions Chapter 6 Trigonometric Identities \" width=\"328\" height=\"182\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1919\/44734080765_af159d3499_o.png\" alt=\"RD Sharma Class 10 Solution Chapter 6 Trigonometric Identities \" width=\"333\" height=\"713\"><\/p>\n<p>Question 62.<br><img src=\"https:\/\/farm2.staticflickr.com\/1935\/44734080725_74c3c0555d_o.png\" alt=\"Class 10 RD Sharma Solutions Chapter 6 Trigonometric Identities \" width=\"337\" height=\"120\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1951\/30707413357_441f137272_o.png\" alt=\"RD Sharma Maths Class 10 Solutions Pdf Free Download Chapter 6 Trigonometric Identities \" width=\"353\" height=\"684\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1970\/44734080655_cf3ba5c186_o.png\" alt=\"Class 10 RD Sharma Chapter 6 Trigonometric Identities \" width=\"284\" height=\"195\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1976\/30707413047_78050a84b7_o.png\" alt=\"RD Sharma Maths Class 10 Solutions Pdf Free Download Chapter 6 Trigonometric Identities \" width=\"353\" height=\"298\"><\/p>\n<p>Question 63.<br><img src=\"https:\/\/farm2.staticflickr.com\/1962\/45648434301_2f52ba9f2d_o.png\" alt=\"Class 10 RD Sharma Chapter 6 Trigonometric Identities \" width=\"330\" height=\"139\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1911\/44734080495_c31aaf8ebb_o.png\" alt=\"RD Sharma Maths Class 10 Solutions Pdf Free Download Chapter 6 Trigonometric Identities \" width=\"375\" height=\"649\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1935\/44734080435_561d44d2e5_o.png\" alt=\"Class 10 RD Sharma Chapter 6 Trigonometric Identities \" width=\"213\" height=\"69\"><\/p>\n<p>Question 64.<br><img src=\"https:\/\/farm2.staticflickr.com\/1963\/45648433791_27aa074e89_o.png\" alt=\"RD Sharma Maths Class 10 Solutions Pdf Free Download Chapter 6 Trigonometric Identities \" width=\"305\" height=\"138\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1960\/44734080375_3bb48a9c8b_o.png\" alt=\"Class 10 RD Sharma Chapter 6 Trigonometric Identities \" width=\"377\" height=\"659\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1937\/44734080285_725799ed12_o.png\" alt=\"RD Sharma 10 Class Solutions Chapter 6 Trigonometric Identities \" width=\"334\" height=\"258\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1960\/44734080245_444b79c300_o.png\" alt=\"Maths RD Sharma Class 10 Solutions Chapter 6 Trigonometric Identities \" width=\"397\" height=\"599\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1952\/44734080195_00c8ba3edc_o.png\" alt=\"RD Sharma 10 Class Solutions Chapter 6 Trigonometric Identities \" width=\"399\" height=\"104\"><\/p>\n<p>Question 65.<br><img src=\"https:\/\/farm2.staticflickr.com\/1908\/44923493684_4077126c5d_o.png\" alt=\"Maths RD Sharma Class 10 Solutions Chapter 6 Trigonometric Identities \" width=\"324\" height=\"144\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1932\/45648432641_baca0cfed3_o.png\" alt=\"Maths RD Sharma Class 10 Solutions Chapter 6 Trigonometric Identities \" width=\"376\" height=\"637\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1969\/45648432361_46c6f9d7d8_o.png\" alt=\"RD Sharma 10 Class Solutions Chapter 6 Trigonometric Identities \" width=\"342\" height=\"131\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1976\/44734080065_ab31f10671_o.png\" alt=\"Maths RD Sharma Class 10 Solutions Chapter 6 Trigonometric Identities \" width=\"371\" height=\"361\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1975\/45648432161_6f6140978c_o.png\" alt=\"RD Sharma 10 Class Solutions Chapter 6 Trigonometric Identities \" width=\"365\" height=\"632\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1911\/44734079975_63da769a39_o.png\" alt=\"Maths RD Sharma Class 10 Solutions Chapter 6 Trigonometric Identities \" width=\"372\" height=\"335\"><\/p>\n<p>Question 66.<br>(sec A + tan A \u2013 1) (sec A \u2013 tan A + 1) = 2 tan A<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1930\/44734079915_3d03c359c2_o.png\" alt=\"RD Sharma 10 Chapter 6 Trigonometric Identities \" width=\"366\" height=\"266\"><\/p>\n<p>Question 67.<br>(1 + cot A \u2013 cosec A) (1 + tan A + sec A) = 2<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1912\/45648431661_1bab97b2ae_o.png\" alt=\"Solution Of RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"368\" height=\"466\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1944\/44734079885_393fa42e5b_o.png\" alt=\"RD Sharma 10 Chapter 6 Trigonometric Identities \" width=\"350\" height=\"307\"><\/p>\n<p>Question 68.<br>(cosec \u03b8 \u2013 sec \u03b8) (cot \u03b8 \u2013 tan \u03b8) = (cosec \u03b8 + sec \u03b8) (sec \u03b8 cosec \u03b8-2)<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1941\/45648431331_f1265cc2fa_o.png\" alt=\"Solution Of RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"378\" height=\"647\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1957\/44734079795_0d73f0ffbb_o.png\" alt=\"RD Sharma 10 Chapter 6 Trigonometric Identities \" width=\"312\" height=\"157\"><\/p>\n<p>Question 69.<br>(sec A \u2013 cosec A) (1 + tan A + cot A) = tan A sec A \u2013 cot A cosec A<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1938\/30707411367_fab5d4c06a_o.png\" alt=\"Solution Of RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"383\" height=\"568\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1973\/45648430741_f3fb301ae3_o.png\" alt=\"RD Sharma Maths Book For Class 10 Solution Chapter 6 Trigonometric Identities \" width=\"370\" height=\"215\"><\/p>\n<p>Question 70.<br><img src=\"https:\/\/farm2.staticflickr.com\/1955\/44734079705_6aa36e8a32_o.png\" alt=\"RD Sharma Mathematics Class 10 Pdf Download Free Chapter 6 Trigonometric Identities \" width=\"335\" height=\"87\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1978\/45648430391_97a551d16b_o.png\" alt=\"RD Sharma Maths Book For Class 10 Solution Chapter 6 Trigonometric Identities \" width=\"336\" height=\"702\"><\/p>\n<p>Question 71.<br><img src=\"https:\/\/farm2.staticflickr.com\/1973\/30707410277_3f83c402b4_o.png\" alt=\"RD Sharma Mathematics Class 10 Pdf Download Free Chapter 6 Trigonometric Identities \" width=\"331\" height=\"83\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1902\/30707409747_d0d6a3b273_o.png\" alt=\"RD Sharma Maths Book For Class 10 Solution Chapter 6 Trigonometric Identities \" width=\"337\" height=\"89\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1927\/30707409657_69456f92fc_o.png\" alt=\"RD Sharma Mathematics Class 10 Pdf Download Free Chapter 6 Trigonometric Identities \" width=\"344\" height=\"738\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1957\/30707409667_4279582f25_o.png\" alt=\"RD Sharma Maths Book For Class 10 Solution Chapter 6 Trigonometric Identities \" width=\"380\" height=\"203\"><\/p>\n<p>Question 72.<br><img src=\"https:\/\/farm2.staticflickr.com\/1922\/45648428061_bd689fcfa1_o.png\" alt=\"Class 10 RD Sharma Pdf Chapter 6 Trigonometric Identities \" width=\"334\" height=\"65\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1963\/45648427761_5188003b50_o.png\" alt=\"RD Sharma Class 10 Solutions Pdf Free Download Chapter 6 Trigonometric Identities \" width=\"362\" height=\"564\"><\/p>\n<p>Question 73.<br>sec<sup>4<\/sup>&nbsp;A (1 \u2013 sin<sup>4<\/sup>&nbsp;A) \u2013 2tan<sup>2<\/sup>&nbsp;A = 1<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1933\/45648427591_ff41c302fa_o.png\" alt=\"Class 10 RD Sharma Pdf Chapter 6 Trigonometric Identities \" width=\"352\" height=\"381\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1974\/45648427461_4e7dc7ea04_o.png\" alt=\"RD Sharma Class 10 Solutions Pdf Free Download Chapter 6 Trigonometric Identities \" width=\"346\" height=\"282\"><\/p>\n<p>Question 74.<br><img src=\"https:\/\/farm2.staticflickr.com\/1961\/30707409037_a2afa5e307_o.png\" alt=\"Class 10 RD Sharma Pdf Chapter 6 Trigonometric Identities \" width=\"320\" height=\"69\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1969\/45648427241_1e00c602e4_o.png\" alt=\"RD Sharma Class 10 Solutions Pdf Free Download Chapter 6 Trigonometric Identities \" width=\"393\" height=\"618\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1917\/45648427051_2481b7867e_o.png\" alt=\"Class 10 RD Sharma Pdf Chapter 6 Trigonometric Identities \" width=\"623\" height=\"411\"><\/p>\n<p>Question 75.<br><img src=\"https:\/\/farm2.staticflickr.com\/1906\/45648426921_d542551583_o.png\" alt=\"Class 10 RD Sharma Pdf Chapter 6 Trigonometric Identities \" width=\"668\" height=\"90\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1961\/30707408707_15868d5009_o.png\" alt=\"Answers Of RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"574\" height=\"471\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1941\/45648426691_052924bc3a_o.png\" alt=\"Class 10 RD Sharma Pdf Chapter 6 Trigonometric Identities \" width=\"645\" height=\"569\"><\/p>\n<p>Question 76.<br><img src=\"https:\/\/farm2.staticflickr.com\/1901\/30707408437_f40470b311_o.png\" alt=\"Answers Of RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"668\" height=\"67\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1979\/45648426361_9a84d538aa_o.png\" alt=\"Class 10 RD Sharma Pdf Chapter 6 Trigonometric Identities \" width=\"463\" height=\"347\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1946\/45648426131_812c4787a7_o.png\" alt=\"Answers Of RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"379\" height=\"123\"><\/p>\n<p>Question 77.<br>If cosec \u03b8 \u2013 sin \u03b8 = a<sup>3<\/sup>, sec \u03b8 \u2013 cos \u03b8 = b<sup>3<\/sup>, prove that a<sup>2<\/sup>b<sup>2<\/sup>&nbsp;(a<sup>2<\/sup>&nbsp;+ b<sup>2<\/sup>) = 1<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1943\/45648426041_041a3f1067_o.png\" alt=\"RD Sharma Mathematics Class 10 Pdf Download Free Chapter 6 Trigonometric Identities \" width=\"273\" height=\"520\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1914\/45648425891_76dec9f94d_o.png\" alt=\"RD Sharma Class 10 Maths Chapter 6 Trigonometric Identities \" width=\"381\" height=\"289\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1920\/30707408077_9343876f2b_o.png\" alt=\"RD Sharma Mathematics Class 10 Pdf Download Free Chapter 6 Trigonometric Identities \" width=\"350\" height=\"428\"><\/p>\n<p>Question 78.<br><img src=\"https:\/\/farm2.staticflickr.com\/1958\/45648425441_6403e2b14d_o.png\" alt=\"RD Sharma Class 10 Maths Chapter 6 Trigonometric Identities \" width=\"353\" height=\"119\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1913\/30707407877_c2dee0364e_o.png\" alt=\"RD Sharma Mathematics Class 10 Pdf Download Free Chapter 6 Trigonometric Identities \" width=\"360\" height=\"432\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1968\/30707407807_a4ff3d6681_o.png\" alt=\"RD Sharma Class 10 Maths Chapter 6 Trigonometric Identities \" width=\"350\" height=\"335\"><\/p>\n<p>Question 79.<br><img src=\"https:\/\/farm2.staticflickr.com\/1905\/30707407687_8f39d0c752_o.png\" alt=\"RD Sharma Mathematics Class 10 Pdf Download Free Chapter 6 Trigonometric Identities \" width=\"343\" height=\"112\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1948\/45648424781_bfd4ce1bb6_o.png\" alt=\"RD Sharma Class 10 Maths Chapter 6 Trigonometric Identities \" width=\"342\" height=\"280\"><\/p>\n<p>Question 80.<br>If a cos \u03b8 + b sin \u03b8 = m and a sin \u03b8 \u2013 b cos \u03b8 = n, prove that a<sup>2<\/sup>&nbsp;+ b<sup>2<\/sup>&nbsp;= m<sup>2<\/sup>&nbsp;+ n<sup>2<\/sup><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1970\/30707407577_b7841d0c87_o.png\" alt=\"RD Sharma Maths Book For Class 10 Solution Chapter 6 Trigonometric Identities \" width=\"342\" height=\"179\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1970\/30707407447_2db918f0e6_o.png\" alt=\"RD Sharma 10 Solutions Chapter 6 Trigonometric Identities \" width=\"335\" height=\"55\"><\/p>\n<p>Question 81.<br>If cos A + cos<sup>2<\/sup>&nbsp;A = 1, prove that sin<sup>2<\/sup>&nbsp;A + sin<sup>4<\/sup>&nbsp;A = 1<br>Solution:<br>cos A + cos<sup>2<\/sup>&nbsp;A = 1<br>\u21d2 cos A = 1 \u2013 cos<sup>2<\/sup>&nbsp;A<br>\u21d2cos A = sin<sup>2<\/sup>&nbsp;A<br>Now, sin<sup>2<\/sup>&nbsp;A + sin<sup>4<\/sup>&nbsp;A = sin<sup>2<\/sup>&nbsp;A + (sin<sup>2<\/sup>&nbsp;A)<sup>2<br><\/sup>= cos A + cos<sup>2<\/sup>&nbsp;A = 1 = R.H.S.<\/p>\n<p>Question 82.<br>If cos \u03b8 + cos<sup>2&nbsp;<\/sup>&nbsp;\u03b8 = 1, prove that<br>sin<sup>12<\/sup>&nbsp;\u03b8 + 3 sin<sup>10&nbsp;<\/sup>&nbsp;\u03b8 + 3 sin<sup>8&nbsp;<\/sup>&nbsp;\u03b8 + sin<sup>6&nbsp;<\/sup>&nbsp;\u03b8 + 2 sin<sup>4&nbsp;<\/sup>&nbsp;\u03b8 + 2 sin<sup>2&nbsp;<\/sup>&nbsp;\u03b8-2 = 1<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1910\/45648424401_eeb0268abf_o.png\" alt=\"RD Sharma Maths Book For Class 10 Solution Chapter 6 Trigonometric Identities \" width=\"379\" height=\"308\"><\/p>\n<p>Question 83.<br>Given that :<br>(1 + cos \u03b1) (1 + cos \u03b2) (1 + cos \u03b3) = (1 \u2013 cos \u03b1)&nbsp;(l \u2013 cos \u03b2) (1 \u2013 cos \u03b3)<br>Show that one of the values of each member of this equality is sin \u03b1 sin \u03b2 sin \u03b3<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1925\/30707407347_15a3fc2c53_o.png\" alt=\"RD Sharma 10 Solutions Chapter 6 Trigonometric Identities \" width=\"413\" height=\"205\"><br><img src=\"https:\/\/farm2.staticflickr.com\/1978\/30707407037_3bdfba54aa_o.png\" alt=\"Solution Of RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"366\" height=\"400\"><\/p>\n<p>Question 84.<br><img src=\"https:\/\/farm2.staticflickr.com\/1941\/30707406887_a2bc38296f_o.png\" alt=\"RD Sharma Class 10 Book Pdf Chapter 6 Trigonometric Identities \" width=\"335\" height=\"91\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1926\/30707406867_7f9ccce2da_o.png\" alt=\"Solution Of RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"361\" height=\"499\"><\/p>\n<p>Question 85.<br><img src=\"https:\/\/farm2.staticflickr.com\/1942\/30707406647_56c05e044b_o.png\" alt=\"RD Sharma Class 10 Book Pdf Chapter 6 Trigonometric Identities \" width=\"344\" height=\"94\"><br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1904\/30707406547_8d72e4cb72_o.png\" alt=\"Solution Of RD Sharma Class 10 Chapter 6 Trigonometric Identities \" width=\"342\" height=\"374\"><\/p>\n<p>Question 86.<br>If sin \u03b8 + 2cos \u03b8 = 1 prove that 2sin \u03b8 \u2013 cos \u03b8 = 2. [NCERT Exemplar]<br>Solution:<br><img src=\"https:\/\/farm2.staticflickr.com\/1915\/30707406407_1eb4cc7190_o.png\" alt=\"RD Sharma Class 10 Book Pdf Chapter 6 Trigonometric Identities \" width=\"389\" height=\"271\"><\/p>\n<p>We have provided complete details of RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1. If you have any queries related to <a href=\"https:\/\/www.cbse.gov.in\/\" target=\"_blank\" rel=\"noopener\"><strong>CBSE<\/strong><\/a>&nbsp;Class 10, feel free to ask us in the comment section below.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"faqs-on-rd-sharma-class-10-solutions-chapter-6-exercise-61\"><\/span>FAQs on RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1631255028649\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"is-it-important-to-study-all-of-the-concepts-included-in-rd-sharma-class-10-solutions-chapter-6-exercise-61\"><\/span>Is it important to study all of the concepts included in RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Yes, learning all of the concepts included in RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1 is required in order to achieve high scores on the Class 10 board exams. These solutions were created by subject matter specialists who compiled model questions that covered all of the textbook\u2019s exercise questions.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1631255100956\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"where-can-i-download-rd-sharma-class-10-solutions-chapter-6-exercise-61-free-pdf\"><\/span>Where can I download RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1 free PDF?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>You can download RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1 free PDF from the above article.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1631255182709\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"what-are-the-benefits-of-using-rd-sharma-class-10-solutions-chapter-6-exercise-61\"><\/span>What are the benefits of using RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>1. Correct answers according to the latest CBSE guidelines and syllabus.<br \/>2. The RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1 is written in simple language to assist students in their board examination, &amp; competitive examination preparation.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1:&nbsp;Students will use some basic trigonometric identities to prove useful trigonometric identities in this exercise. The RD Sharma Solutions Class 10 is the most important resource for students who want to clear their doubts and prepare for their exams with confidence. Students can download the RD Sharma &#8230; <a title=\"RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1 (Updated for 2024)\" class=\"read-more\" href=\"https:\/\/www.kopykitab.com\/blog\/rd-sharma-class-10-solutions-chapter-6-exercise-6-1\/\" aria-label=\"More on RD Sharma Class 10 Solutions Chapter 6 Exercise 6.1 (Updated for 2024)\">Read more<\/a><\/p>\n","protected":false},"author":238,"featured_media":126378,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":""},"categories":[73411,2985,73410],"tags":[3243,9206,73520,4388],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/126371"}],"collection":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/users\/238"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/comments?post=126371"}],"version-history":[{"count":5,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/126371\/revisions"}],"predecessor-version":[{"id":505773,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/126371\/revisions\/505773"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/media\/126378"}],"wp:attachment":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/media?parent=126371"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/categories?post=126371"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/tags?post=126371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}