Basic trigonometric identities application to prove problems on Trigonometric Identities

Proving Trigonometric equations based rationalise the denomunator

http://www.learncbse.in/ncert-class-10-math-solutions/

http://www.learncbse.in/ncert-solutions-for-class-10-maths-chapter-8-introduction-to-trigonometry/

http://www.learncbse.in/rd-sharma-class-10-solutions-chapter-5-trigonometric-ratios/

00:02 CBSE solutions for class 10 maths Chapter 8 Trigonometry Exercise 8.4 Q5. Prove the trigonometric identities, where the angles involved are acute angles for which the expressions are defined

00:20 Procedure for proving Trigonometric equations using trigonometric identities

00:25 consider LHS of the trigonometric equation

00:40 Multiply both the numerator and denominator by the conjugate of the denominator.

01:10 use algebra maths formulas | Algebraic Expressions and Formulas

use (a-b)^2 expanding formula | a squared minus b square formula

01:50 Use Pythagorian Identity

sin squared theta plus cos squared theta = 1

00:24 Reciprocal Identity.

The ratios cosec A, sec A and cot A are respectively, the reciprocals of the ratios sin A, cos A and tan A.

Quotient Identity

cot A = cos A / sin A.

02:41 LHS = RHS. Trigonometric equation is proved.

Using the fundemental identities and the Pythagorean Identities

multiple examples of verifying trigonometric identities

How to Solve Trigonometric Identities Proving Problems

method to solve trigonometric identities problems

the Quotient Identities, Reciprocal Identities, and the Pythagorian Identities.

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CBSE solutions for class 10 maths Chapter 8 Trigonometry Exercise 8.4

CBSE class 10 maths NCERT SolutionsChapter 8 Trigonometry Exercise 8.2 | Trigonometric Identities

CBSE class 10 maths NCERT Solutions Chapter 8 Trigonometry

Solutions for CBSE class 10 Maths Trigonometry

NCERT solutions for class 10 maths Trigonometry

NCERT solutions for CBSE class 10 maths Trigonometry

CBSE class 10 maths Trigonometry

Common core Math Trigonometry

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