ICSE Class 10 Maths Trigonometric Identities solved problems | Trigonometric Functions

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00:02 ICSE Class 10 Maths Trigonometric Identities

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

00:04 q5 (7)

00:19 Procedure for proving Trigonometric equations using trigonometric identities

00:27 Take LHS of the trigonometric equation

01:14 Quotient Identity

tan A = sin A/cos A.

01:22 Use Pythagorian Identity

sin squared theta plus cos squared theta = 1

01:49 solving trigonometric expressions

02:28 LHS is RHS of the trigonometric equation.Trigonometric equation is proved.

02:47 ICSE Class 10 Maths Trigonometric Identities

Workedout Examples q5 9

03:11 Leran Procedure for proving Trigonometric equations using trigonometric identities

03:18 consider LHS of the trigonometric equation

03:30 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 / cos A

04:06 Use Pythagorian Identity

sin squared theta plus cos squared theta = 1

04:58 RHS of the trigonometric equation

05:09 Quotient Identity

tan A = sin A/cos A. tan A=cos A/sin A

05:47 LHS is RHS of the trigonometric equation.Trigonometric equation is proved.

06:04 ICSE Class 10 Maths Trigonometric Identities

Workedout Examples q5 (i)

06:24 PROCIDURE FOR SOLVING Trigonometric equations

06:30 consider LHS of the trigonometric equations

06:44 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.

07:26 Use Pythagorian Identity

sin squared theta plus cos squared theta = 1

08:54 trigonometric equation is proved

09:05 ICSE Class 10 Maths Trigonometric Identities

Workedout Examples q5 (2)

09:21 Procedure for proving Trigonometric equations

09:30 consider LHS of the trigonometric equation

10:12 algebra maths formulas | Algebraic Expressions and Formulas

USE (a-b)^2 expanding formula

11:07 Use Pythagorian Identity

sin squared theta plus cos squared theta = 1

12:06 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

12:28 How to prove Trigonometric identities.

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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