If , then the value of , is

Maths Trigonometrical Ratios, Functions and Identities All Topic Question for Revision Test Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 11, 2026

Text Solution

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The correct answer is:

Create a Symmetric Chain

From the given cyclic relations, square and convert to sines/cosines

Combining these equations leads to the standard quadratic identity for this system

Solve for

Using the quadratic formula for real values

Substitute the Identity

Since

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