Proving Trigonometric Identities - For Dummies | Verifying Trigonometric Identities basics

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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 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

03:00 CBSE solutions for class 10 maths Chapter 8 Trigonometry Exercise 8.4 Q5. Prove the trigonometric equations using trigonometric identities, where the angles involved are acute angles for which the expressions are defined

03:03 CBSE solutions for class 10 maths Chapter 8 Trigonometry Exercise 8.4 q5 (2)

03:19 Procedure for proving Trigonometric equations

03:41 consider LHS of the trigonometric equation

04:20 algebra maths formulas | Algebraic Expressions and Formulas

USE (a-b)^2 expanding formula

04:58 Use Pythagorian Identity

sin squared theta plus cos squared theta = 1

05:59 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

06:13 How to prove Trigonometric identities.

Understanding Trig Identities

Proving Trigonometric Identities

Using the fundemental identities and the Pythagorean Identities

proving trigonometric identities

trigonometric identities questions

trigonometric identities solver

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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

CBSE class 10 maths Trigonometry

Common core Math Trigonometry

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