Fundamental Trigonometric Identities application to prove Trigonometric Equation

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 Q5. Prove the trigonometric identities, where the angles involved are acute angles for which the expressions are defined

00:04 q5 (i)

00:18 PROCIDURE FOR SOLVING Trigonometric equations

00:30 consider LHS of the trigonometric equations

00:40 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.

01:15 Use Pythagorian Identity

sin squared theta plus cos squared theta = 1

02:39 trigonometric equation is proved

03:01 Q5. Prove the trigonometric equations using trigonometric identities, where the angles involved are acute angles for which the expressions are defined

03:04 q5 (4)

03:29 solving trigonometric identities procedure

03:45 consider LHS of the trigonometric equation

03:56 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.

04:43 consider RHS of the trigonometric equation

04:58 Use Pythagorian Identity

sin squared theta plus cos squared theta = 1

05:28 a squared minus b square formula

05:55 LHS & RHS of the trigonometric equation are equal.

Hence,trigonometric identity is solved

06:09 Q5. Prove the trigonometric identities, where the angles involved are acute angles for which the expressions are defined

06:38 Procedure for solving Trigonometric equations

06:51 Consider LHS of the trigonometric equation

08:08 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.

cosec A = 1 / sin A.

08:53 Use Pythagorian Identity

08:54 secant squared theta minus tan squared theta = 1

09:28 Simply the trigonometric expression.

09:30 LHS is RHS of the trigonometric equation.Trigonometric equation is proved.

method to solve trigonometric identities problems

use trigonometric identities

proving problem using trigonometric identity

use some trigonometric ratios of complementary angle

Proving some Random Trigonometric Identities

Fundamental Trigonometric Identities Intro & Proofs

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

Solving Trig Identities

Trigonometry : Proving trig Identities

Verifying Trigonometric 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

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NCERT solutions for class 10 maths Trigonometry

NCERT solutions for CBSE class 10 maths Trigonometry

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