For what values of , the following identity is valid and h… | CGP Edu

Maths Trigonometrical Ratios, Functions and Identities Telangana & AP CET Previous Year Question Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

For what values of , the following identity is valid and holds? .

A

B

C

D

Text Solution

Verified by Experts

The correct answer is:

Given that,

At identity does not hold as will form and it will tend
At also identity does not hold as will form and does not exist.
when then becomes negative, then identity fails to exist.
when then becomes negative, then identity fails to exist.

This identity is valid only for .

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