Solving Trigonometric Equation algebraically | Proving problems on Trigonometric Identities

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/

In this math tutorial we prove trigonometric identities, solve trigonometric equations and Verify Trigonometric Identities.We use Quotient Identities , Reciprocal Identities, and the Pythagorian Identities to solve problems on trigonometric identities.

Solve Trigonometric Equations with Trigonometric Identities

Defination of an Identity:

An equation is called an identity when it is true for all values of the variables involved.

Trigonometric Identities defination:

An equation involving trigonometric ratios of an angle is called a trigonometric identity, if it is true for all values of the angle(s) involved.

00:02 Q5. Prove the trigonometric equations using trigonometric identities, where the angles involved are acute angles for which the expressions are defined

00:04 q5 (4)

00:28 solving trigonometric identities procedure

00:43 consider LHS of the trigonometric equation

00:55 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

sec A = 1/cos A.

01:42 consider RHS of the trigonometric equation

01:58 Use Pythagorian Identity

sin squared theta plus cos squared theta = 1

02:28 a squared minus b square formula

02:55 LHS & RHS of the trigonometric equation are equal.

Hence,trigonometric identity is solved.

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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