The derivative of with respect to is equal to | CGP Edu

Maths Functions, Limits, Continuity and Differentiability Telangana & AP CET Previous Year Question Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 11, 2026

The derivative of with respect to is equal to

A

-1

B

0

C

D

Text Solution

Verified by Experts

The correct answer is:

Given,

Using hast angle formula

and

, when and are positive

, when is positive and is negative , when is negative and is positive , when and as

is negative.
So,

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