The formula holds only for | CGP Edu

Maths Inverse Trigonometric Functions Inverse Trigonometric Functions, Inverse Trigo Identities Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 12, 2026

The formula holds only for

A

B

C

D

Text Solution

Verified by Experts

The correct answer is:

If LHS = RHS = . So, the fomula does not hold.

If the angle on the LHS is in the second quadrant while the angle on the RHS is (angle in the fourth quadrant), which cannot be equal. If the angle on the LHS is in the second quadrant while the angle on the RHS is (angle in the first quadrant) and these two may be equal.

If , the angle on the LHS is positive and that on the RHS is negative and the two cannot be equal

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