{"id":54316,"date":"2022-02-03T18:14:10","date_gmt":"2022-02-03T12:44:10","guid":{"rendered":"https:\/\/www.kopykitab.com\/blog\/?p=54316"},"modified":"2023-10-25T10:12:52","modified_gmt":"2023-10-25T04:42:52","slug":"cbse-class-11-maths-formulas","status":"publish","type":"post","link":"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-formulas\/","title":{"rendered":"CBSE Class 11 Maths Formulas 2023 For Term 1 &#038; Term 2 | Check Important Formulas"},"content":{"rendered":"\n<p><img class=\"alignnone size-full wp-image-54276\" src=\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2020\/08\/CBSE-Class-11-Maths-Formulas.jpg\" alt=\"CBSE-Class-11-Maths-Formulas\" width=\"1024\" height=\"512\" srcset=\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2020\/08\/CBSE-Class-11-Maths-Formulas.jpg 1024w, https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2020\/08\/CBSE-Class-11-Maths-Formulas-768x384.jpg 768w, https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2020\/08\/CBSE-Class-11-Maths-Formulas-30x15.jpg 30w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>Maths is the subject of scoring full marks in the exam. The students can get full marks in maths exams if they know and learn CBSE Class 11 Maths Formulas appropriately. These formulas are very important to remember because they make the base for higher studies.<\/p>\n<ul>\n<li><a href=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11\/\" target=\"_blank\" rel=\"noopener noreferrer\">Know Everything About CBSE Class 11<\/a><\/li>\n<\/ul>\n<p>The students need to focus and just need to learn this Class 11 Maths formula sheet which also assists them in higher students and to score high marks in the examination. These formulas also assist the students in doing quick revisions.<\/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-69ea4b323d066\" 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-69ea4b323d066\"><\/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\/cbse-class-11-maths-formulas\/#cbse-class-11-maths-formulas-2023-for-term-1-term-2\" title=\"CBSE Class 11 Maths Formulas 2023 For Term 1 &amp; Term 2\">CBSE Class 11 Maths Formulas 2023 For Term 1 &amp; Term 2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-formulas\/#chapter-wise-cbse-class-11-maths-formulas-2023-for-term-1-term-2\" title=\"Chapter-Wise CBSE Class 11 Maths Formulas 2023 For Term 1 &amp; Term 2\">Chapter-Wise CBSE Class 11 Maths Formulas 2023 For Term 1 &amp; Term 2<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-formulas\/#coordinate-geometry-lines-formulas\" title=\"Coordinate Geometry &amp; Lines Formulas\">Coordinate Geometry &amp; Lines Formulas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-formulas\/#algebra-formulas\" title=\"Algebra Formulas\">Algebra Formulas<\/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\/cbse-class-11-maths-formulas\/#cbse-class-11-maths-trigonometry-formulas\" title=\"CBSE Class 11 Maths trigonometry formulas\">CBSE Class 11 Maths trigonometry formulas<\/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\/cbse-class-11-maths-formulas\/#permutations-and-combinations\" title=\"Permutations and Combinations\">Permutations and Combinations<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-formulas\/#binomial-theorem\" title=\"Binomial Theorem\">Binomial Theorem<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-formulas\/#other-important-links-related-to-cbse-11th-maths-2023-for-term-1-term-2\" title=\"Other Important Links Related to CBSE 11th Maths 2023 For Term 1 &amp; Term 2\">Other Important Links Related to CBSE 11th Maths 2023 For Term 1 &amp; Term 2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-formulas\/#faq-cbse-class-11-maths-formulas-2023-for-term-1-term-2\" title=\"FAQ: CBSE Class 11 Maths Formulas 2023 For Term 1 &amp; Term 2\">FAQ: CBSE Class 11 Maths Formulas 2023 For Term 1 &amp; Term 2<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-formulas\/#is-memorizing-the-class-11th-maths-formulas-mandatory-to-score-well-in-the-final-examinations\" title=\"Is memorizing the Class 11th Maths formulas mandatory to score well in the final examinations?\">Is memorizing the Class 11th Maths formulas mandatory to score well in the final examinations?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-formulas\/#how-will-these-maths-formulas-help-me\" title=\"How will these maths formulas help me?\">How will these maths formulas help me?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-formulas\/#where-can-i-find-all-the-class-11th-basic-maths-formulas-in-one-place\" title=\"Where can I find all the Class 11th basic Maths formulas in one place?\">Where can I find all the Class 11th basic Maths formulas in one place?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"cbse-class-11-maths-formulas-2023-for-term-1-term-2\"><\/span>CBSE Class 11 Maths Formulas 2023 For Term 1 &amp; Term 2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Some students might not get confident about the maths exam in spite of preparing well. But if they learn and understand the concepts thoroughly, they can confidently clear the maths exam with good marks. All need to do is apply Class 11 Maths formulas according to the problems to solve the difficult questions.<\/p>\n<p><span style=\"font-size: inherit; background-color: initial;\">The students should check the <\/span><span style=\"font-size: inherit; background-color: initial;\">Class 11 Maths formula<\/span><span style=\"font-size: inherit; background-color: initial;\"> and grasp these formulas to get good marks in the exam. They can easily download the\u00a0<\/span><span style=\"font-size: inherit; background-color: initial;\">Class 11 Maths formula chart<\/span><span style=\"font-size: inherit; background-color: initial;\"> and can access it anywhere and at any time for quick revision. Here, the students can download <\/span><span style=\"font-size: inherit; background-color: initial;\">Class 11 Maths formulas chapter-wise:<\/span><\/p>\n<ul>\n<li>Chapter 1 &#8211; Sets<\/li>\n<li>Chapter 2 &#8211; Relations<\/li>\n<li>Chapter 3 &#8211; Functions<\/li>\n<li>Chapter 4 &#8211; Measurement of Angles<\/li>\n<li>Chapter 5 &#8211; Trigonometric Functions<\/li>\n<li>Chapter 6 &#8211; Graphs of Trigonometric Functions<\/li>\n<li>Chapter 7 &#8211; Trigonometric Ratios of Compound Angles<\/li>\n<li>Chapter 8 &#8211; Transformation Formulae<\/li>\n<li>Chapter 9 &#8211; Trigonometric Ratios of Multiple and Sub-Multiple Angles<\/li>\n<li>Chapter 10 &#8211; Sine and Cosine Formulae and Their Applications<\/li>\n<li>Chapter 11 &#8211; Trigonometric Equations<\/li>\n<li>Chapter 12 &#8211; Mathematical Induction<\/li>\n<li>Chapter 13 &#8211; Complex Numbers<\/li>\n<li>Chapter 14 &#8211; Quadratic Equations<\/li>\n<li>Chapter 15 &#8211; Linear Inequations<\/li>\n<li>Chapter 16 &#8211; Permutations<\/li>\n<li>Chapter 17 &#8211; Combinations<\/li>\n<li>Chapter 18 &#8211; Binomial Theorem<\/li>\n<li>Chapter 19 &#8211; Arithmetic Progressions<\/li>\n<li>Chapter 20 &#8211; Geometric Progressions<\/li>\n<li>Chapter 21 &#8211; Some Special Series<\/li>\n<li>Chapter 22 &#8211; Brief Review of Cartesian System of Rectangular Coordinates<\/li>\n<li>Chapter 23 &#8211; The Straight Lines<\/li>\n<li>Chapter 24 &#8211; The Circle<\/li>\n<li>Chapter 25 &#8211; Parabola<\/li>\n<li>Chapter 26 &#8211; Ellipse<\/li>\n<li>Chapter 28 &#8211; Introduction To 3D Coordinate Geometry<\/li>\n<li>Chapter 29 &#8211; Limits<\/li>\n<li>Chapter 30 &#8211; Derivatives<\/li>\n<li>Chapter 31 &#8211; Mathematical Reasoning<\/li>\n<li>Chapter 32 &#8211; Statistics<\/li>\n<li>Chapter 33 &#8211; Probability<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"chapter-wise-cbse-class-11-maths-formulas-2023-for-term-1-term-2\"><\/span>Chapter-Wise CBSE Class 11 Maths Formulas 2023 For Term 1 &amp; Term 2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Class 11 Maths formulas assist the students when they get stuck in some questions while practicing. They can go through these formulas and properties and can easily solve the problem. Here is the list of CBSE Class 11 Maths all formulas<\/p>\n<h3><span class=\"ez-toc-section\" id=\"coordinate-geometry-lines-formulas\"><\/span>Coordinate Geometry &amp; Lines Formulas<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Slope\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 m = rise\/run = \u0394y\/\u0394x = y2\u2212y1\/x2\u2212x1<\/p>\n<p>Point-Slope Form\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 y\u2212y1 = m (x\u2212x1)<\/p>\n<p>Point-Point Form\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 y\u2212y1 = y2\u2212y1\/x2\u2212x1 (x\u2212x1)<\/p>\n<p>Slope-Intercept Form\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 y = mx + b<\/p>\n<p>Intercept-Intercept Form\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 x\/a + y\/b = 1<\/p>\n<p>General Form\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Ax + By + C=0<\/p>\n<p>Parallel &amp; Perpendicular Lines\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Parallel Lines m1 = m2<\/p>\n<p>Perpendicular Lines m1m2 = \u22121<\/p>\n<h3><span class=\"ez-toc-section\" id=\"algebra-formulas\"><\/span>Algebra Formulas<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Distributive Property\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a (b + c) = a \u00d7 b + a \u00d7 c<\/p>\n<p>Commutative Property of Addition\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a + b = b + a<\/p>\n<p>Commutative Property of Multiplication\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a \u00d7 b = b \u00d7 a<\/p>\n<p>Associative Property of Addition\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a + (b + c) = (a + b) + c<\/p>\n<p>Associative Property of Multiplication\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a \u00d7 (b \u00d7 c) = (a \u00d7 b) \u00d7 c<\/p>\n<p>Additive Identity Property\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a + 0 = a<\/p>\n<p>Multiplicative Identity Property\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a \u00d7 1 = a<\/p>\n<p>Additive Inverse Property\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a + (\u2212a) = 0<\/p>\n<p>Multiplicative Inverse Property\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a \u22c5 (1a) = 1<\/p>\n<p>Zero Property of Multiplication\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a \u00d7 (0) = 0<\/p>\n<h3><span class=\"ez-toc-section\" id=\"cbse-class-11-maths-trigonometry-formulas\"><\/span>CBSE Class 11 Maths trigonometry formulas<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>CBSE Class 11 Maths trigonometry formulas are very important to solve problems and are the foundation for class 12. It is necessary that students should focus more on this chapter and its formulas and concepts. Here, the students can learn easily and make quick revisions at the time of the final exam:<\/p>\n<p><strong>CBSE Class 11 Maths trigonometry formulas<\/strong><\/p>\n<p>Sin (\u2212\u03b8) = \u2212sin\u03b8<\/p>\n<p>cos (\u2212\u03b8) = cos\u03b8<\/p>\n<p>tan (\u2212\u03b8) = \u2212tan\u03b8<\/p>\n<p>cosec (\u2212\u03b8) = \u2212cosec\u03b8<\/p>\n<p>sec (\u2212\u03b8) = sec\u03b8<\/p>\n<p>cot (\u2212\u03b8) = \u2212cot\u03b8<\/p>\n<p>cos (A + B) = cos A cos B \u2013 sin A sin B<\/p>\n<p>cos (A \u2013 B) = cos A cos B + sin A sin B<\/p>\n<p>sin (A + B) = sin A cos B + cos A sin B<\/p>\n<p>sin (A &#8211; B) = sin A cos B \u2013 cos A sin B<\/p>\n<p><strong>Product to Sum Formulas<\/strong><\/p>\n<p>Sin x sin y = 1\/2[cos (x \u2013 y) \u2013 cos (x + y)]<\/p>\n<p>Cos x cos y = 1\/2[cos (x \u2013 y) + cos (x + y)]<\/p>\n<p>Sin x cos y = 1\/2[sin (x + y) + sin (x \u2212 y)]<\/p>\n<p>Cos x sin y = 1\/2[sin (x + y) \u2013 sin (x \u2212 y)]<\/p>\n<p><strong>Sum to Product Formulas<\/strong><\/p>\n<p>Sin x + sin y = 2sin (x + y\/2) cos (x \u2212 y\/2)<\/p>\n<p>Sin x\u2212 sin y = 2cos (x + y\/2) sin (x \u2013 y\/2)<\/p>\n<p>Cos x + cos y = 2cos (x + y\/2) cos (x \u2013 y\/2)<\/p>\n<p>Cos x \u2013 cos y = \u20132sin (x + y\/2) sin (x \u2013 y\/2)<\/p>\n<p><strong>Identities<\/strong><\/p>\n<p>sin2 A + cos2 A = 1<\/p>\n<p>1 + tan2 A = sec2 A<\/p>\n<p>1 + cot2 A = cosec2 A<\/p>\n<p><strong>Trigonometric Functions Signs in Different Quadrants<\/strong><\/p>\n<table width=\"0\">\n<tbody>\n<tr>\n<td width=\"197\">\n<p>Trigonometric Functions<\/p>\n<\/td>\n<td width=\"64\">\n<p>I<\/p>\n<\/td>\n<td width=\"64\">\n<p>II<\/p>\n<\/td>\n<td width=\"64\">\n<p>III<\/p>\n<\/td>\n<td width=\"64\">\n<p>IV<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"197\">\n<p>Sin A<\/p>\n<\/td>\n<td width=\"64\">\n<p>+<\/p>\n<\/td>\n<td width=\"64\">\n<p>+<\/p>\n<\/td>\n<td width=\"64\">\n<p>\u2013<\/p>\n<\/td>\n<td width=\"64\">\n<p>\u2013<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"197\">\n<p>Cos A<\/p>\n<\/td>\n<td width=\"64\">\n<p>+<\/p>\n<\/td>\n<td width=\"64\">\n<p>\u2013<\/p>\n<\/td>\n<td width=\"64\">\n<p>\u2013<\/p>\n<\/td>\n<td width=\"64\">\n<p>+<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"197\">\n<p>Tan A<\/p>\n<\/td>\n<td width=\"64\">\n<p>+<\/p>\n<\/td>\n<td width=\"64\">\n<p>\u2013<\/p>\n<\/td>\n<td width=\"64\">\n<p>+<\/p>\n<\/td>\n<td width=\"64\">\n<p>\u2013<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"197\">\n<p>Cot A\u00a0<\/p>\n<\/td>\n<td width=\"64\">\n<p>+<\/p>\n<\/td>\n<td width=\"64\">\n<p>\u2013<\/p>\n<\/td>\n<td width=\"64\">\n<p>+<\/p>\n<\/td>\n<td width=\"64\">\n<p>\u2013<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"197\">\n<p>Sec A<\/p>\n<\/td>\n<td width=\"64\">\n<p>+<\/p>\n<\/td>\n<td width=\"64\">\n<p>\u2013<\/p>\n<\/td>\n<td width=\"64\">\n<p>\u2013<\/p>\n<\/td>\n<td width=\"64\">\n<p>+<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"197\">\n<p>Cosec A\u00a0<\/p>\n<\/td>\n<td width=\"64\">\n<p>+<\/p>\n<\/td>\n<td width=\"64\">\n<p>+<\/p>\n<\/td>\n<td width=\"64\">\n<p>\u2013<\/p>\n<\/td>\n<td width=\"64\">\n<p>\u2013<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-size: inherit; background-color: initial;\">Cos (\u03c02 + x) = \u2212sinx<\/span><\/p>\n<p>Sin (\u03c02 + x) = cosx<\/p>\n<p>Cos (\u03c0 \u2212 x) = \u2212cosx<\/p>\n<p>Sin (\u03c0 \u2212 x) = sinx<\/p>\n<p>Cos (\u03c0 + x) = \u2212cosx<\/p>\n<p>Sin (\u03c0 + x) = \u2212sinx<\/p>\n<p>Cos (2\u03c0 \u2212 x) = cosx<\/p>\n<p>Sin (2\u03c0 \u2212 x) = \u2212sinx<\/p>\n<p><strong>If none of the angles A, B and (A \u00b1 B) is an odd multiple of \u03c0\/2, then;<\/strong><\/p>\n<ul>\n<li>tan(A+B) = [(tan\u00a0A\u00a0+\u00a0tan\u00a0B)\/(1\u00a0\u2013\u00a0tan\u00a0A\u00a0tan\u00a0B)]<\/li>\n<li>tan(A-B) = [(tan\u00a0A \u2013\u00a0tan\u00a0B)\/(1 +\u00a0tan\u00a0A\u00a0tan\u00a0B)]<\/li>\n<\/ul>\n<p><strong>If none of the angles A, B, and (A \u00b1 B) is a multiple of \u03c0, then;<\/strong><\/p>\n<ul>\n<li>cot(A+B)\u00a0= [(cot\u00a0A\u00a0cot\u00a0B\u00a0\u2212\u00a01)\/(cot\u00a0B\u00a0+\u00a0cot\u00a0A)]<\/li>\n<li>cot(A-B)\u00a0= [(cot\u00a0A\u00a0cot\u00a0B +\u00a01)\/(cot\u00a0B \u2013\u00a0cot\u00a0A)]<\/li>\n<\/ul>\n<p><strong>Some additional formulas for sum and product of angles:<\/strong><\/p>\n<ul>\n<li>cos(A+B) cos(A\u2013B)=cos<sup>2<\/sup>A\u2013sin<sup>2<\/sup>B=cos<sup>2<\/sup>B\u2013sin<sup>2<\/sup>A<\/li>\n<li>sin(A+B) sin(A\u2013B) = sin<sup>2<\/sup>A\u2013sin<sup>2<\/sup>B=cos<sup>2<\/sup>B\u2013cos<sup>2<\/sup>A<\/li>\n<li>sinA+sinB = 2 sin (A+B)\/2 cos (A-B)\/2<\/li>\n<\/ul>\n<p><strong>Formulas for twice the angles:<\/strong><\/p>\n<ul>\n<li>sin2A = 2sinA cosA = [2tan A + (1+tan<sup>2<\/sup>A)]<\/li>\n<li>cos2A = cos<sup>2<\/sup>A\u2013sin<sup>2<\/sup>A = 1\u20132sin<sup>2<\/sup>A = 2cos<sup>2<\/sup>A\u20131= [(1-tan<sup>2<\/sup>A)\/(1+tan<sup>2<\/sup>A)]<\/li>\n<li>tan 2A = (2 tan A)\/(1-tan<sup>2<\/sup>A)<\/li>\n<\/ul>\n<p><strong>Formulas for thrice of the angles:<\/strong><\/p>\n<ul>\n<li>sin3A = 3sinA \u2013 4sin<sup>3<\/sup>A<\/li>\n<li>cos3A = 4cos<sup>3<\/sup>A \u2013 3cosA<\/li>\n<li>tan3A = [3tanA\u2013tan<sup>3<\/sup>A]\/[1\u22123tan<sup>2<\/sup>A]<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"permutations-and-combinations\"><\/span>Permutations and Combinations<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>of permutations of n different things taken r at a time are given: nPr = n! \/ (n\u2212r)!\u00a0 where 0\u00a0 \u2264\u00a0 r\u00a0 \u2264\u00a0 n<\/li>\n<li>n! = 1 \u00d7 2 \u00d7 3 \u00d7 \u2026 \u00d7 n<\/li>\n<\/ul>\n<ul>\n<li>n! = n \u00d7 (n \u2212 1)!<\/li>\n<\/ul>\n<ul>\n<li>of permutations of n objects taken all at a time where p1 objects are of one kind, p2 objects of the second kind, \u2026., pk objects of the kth kind are given as n!p1! p2! \u2026 pk!<\/li>\n<\/ul>\n<ul>\n<li>of permutations of n different things taken r at a time: nCr = n!\/ r! (n\u2212r)!\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 where 0 \u00a0\u2264 \u00a0r \u00a0\u2264\u00a0 n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"binomial-theorem\"><\/span>Binomial Theorem<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>(a + b)n = nC0an + nC1an\u22121 . b + nC2an \u2013 2 . b2 + \u2026 + nCn \u2212 1 a . bn \u2013 1 + nCnbn<\/li>\n<\/ul>\n<ul>\n<li>The general term of an expansion (a + b)n is Tr+1 = nCran \u2013 r. br<\/li>\n<\/ul>\n<ul>\n<li>In this (a + b)n if n is even then the middle term is (n2 + 1)th term.<\/li>\n<\/ul>\n<ul>\n<li>In this (a + b)n if n is odd then the middle terms are (n + 12) th and (n + 12 + 1) th terms<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"other-important-links-related-to-cbse-11th-maths-2023-for-term-1-term-2\"><\/span>Other Important Links Related to CBSE 11th Maths 2023 For Term 1 &amp; Term 2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Here you can check links to various study materials related to the 11th\u00a0Maths<\/p>\n<table dir=\"ltr\" style=\"width: 455.781px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\"><colgroup><col width=\"243\" \/><\/colgroup>\n<tbody>\n<tr>\n<td style=\"width: 451.781px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;CBSE Class 11 Maths Syllabus&quot;}\" data-sheets-formula=\"=HYPERLINK(R[0]C[-1],R[0]C[-3])\" data-sheets-hyperlink=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-syllabus\/\"><a class=\"in-cell-link\" href=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-syllabus\/\" target=\"_blank\" rel=\"noopener noreferrer\">11th Maths Syllabus<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 451.781px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;CBSE Class 11 Maths NCERT Solutions&quot;}\" data-sheets-formula=\"=HYPERLINK(R[0]C[-1],R[0]C[-3])\" data-sheets-hyperlink=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-ncert-solutions\/\"><a class=\"in-cell-link\" href=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-ncert-solutions\/\" target=\"_blank\" rel=\"noopener noreferrer\">11th Maths NCERT Solutions<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 451.781px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;CBSE Class 11 Maths Sample Papers&quot;}\" data-sheets-formula=\"=HYPERLINK(R[0]C[-1],R[0]C[-3])\" data-sheets-hyperlink=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-sample-papers\/\"><a class=\"in-cell-link\" href=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-sample-papers\/\" target=\"_blank\" rel=\"noopener noreferrer\">11th Maths Sample Papers<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 451.781px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;CBSE Class 11 Maths Previous year Papers&quot;}\" data-sheets-formula=\"=HYPERLINK(R[0]C[-1],R[0]C[-3])\" data-sheets-hyperlink=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-previous-year-papers\/\">\n<div>\n<div><a class=\"in-cell-link\" href=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-previous-year-papers\/\" target=\"_blank\" rel=\"noopener noreferrer\">11th Maths Previous year Papers<\/a><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 451.781px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;CBSE Class 11 Maths RD Sharma Solutions&quot;}\" data-sheets-formula=\"=HYPERLINK(R[0]C[-1],R[0]C[-3])\" data-sheets-hyperlink=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-rd-sharma-solutions\/\">\n<div>\n<div><a class=\"in-cell-link\" href=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-rd-sharma-solutions\/\" target=\"_blank\" rel=\"noopener noreferrer\">11th Maths RD Sharma Solutions<\/a><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 451.781px;\" data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;CBSE Class 11 Maths RS Aggarwal Solutions&quot;}\" data-sheets-formula=\"=HYPERLINK(R[0]C[-1],R[0]C[-3])\" data-sheets-hyperlink=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-rs-aggarwal-solutions\/\">\n<div>\n<div><a class=\"in-cell-link\" href=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-rs-aggarwal-solutions\/\" target=\"_blank\" rel=\"noopener noreferrer\">11th Maths RS Aggarwal Solutions<\/a><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>We have covered the detailed guide on\u00a0\u00a0<a href=\"http:\/\/cbse.nic.in\/\" target=\"_blank\" rel=\"noopener noreferrer\">CBSE<\/a> Class 11 Maths Formulas 2022 For Term 1 &amp; Term 2. Feel free to ask any questions in the comment section below.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"faq-cbse-class-11-maths-formulas-2023-for-term-1-term-2\"><\/span>FAQ: CBSE Class 11 Maths Formulas 2023 For Term 1 &amp; Term 2<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-1698208927376\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"is-memorizing-the-class-11th-maths-formulas-mandatory-to-score-well-in-the-final-examinations\"><\/span>Is memorizing the Class 11th Maths formulas mandatory to score well in the final examinations?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Though many believe that the Maths section of the final exam is easy to score, it is not that easy. Do not ever underestimate the Maths concepts. To score well, you need to understand and memorize all the math formulas.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1698208939353\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"how-will-these-maths-formulas-help-me\"><\/span>How will these maths formulas help me?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>When you try to solve a Math problem, there is a chance that you might get stuck on some questions. These Maths formulas will come in handy at that time.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1698208951329\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"where-can-i-find-all-the-class-11th-basic-maths-formulas-in-one-place\"><\/span>Where can I find all the Class 11th basic Maths formulas in one place?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Refer to the above article.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Maths is the subject of scoring full marks in the exam. The students can get full marks in maths exams if they know and learn CBSE Class 11 Maths Formulas appropriately. These formulas are very important to remember because they make the base for higher studies. Know Everything About CBSE Class 11 The students need &#8230; <a title=\"CBSE Class 11 Maths Formulas 2023 For Term 1 &#038; Term 2 | Check Important Formulas\" class=\"read-more\" href=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-maths-formulas\/\" aria-label=\"More on CBSE Class 11 Maths Formulas 2023 For Term 1 &#038; Term 2 | Check Important Formulas\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":54276,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":""},"categories":[78170],"tags":[3428],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/54316"}],"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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/comments?post=54316"}],"version-history":[{"count":4,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/54316\/revisions"}],"predecessor-version":[{"id":496232,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/54316\/revisions\/496232"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/media\/54276"}],"wp:attachment":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/media?parent=54316"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/categories?post=54316"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/tags?post=54316"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}