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Maths Trigonometrical Ratios, Functions and Identities Mix Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 11, 2026

If and then

None of these

Text Solution

Verified by Experts

The correct answer is:

Given that and

Squaring and adding, we get

Hence,

Trick : Here we can guess that the value of is independent of θ θ , so put any suitable value of θ θ i.e. so that and Hence

(Also check for other value of θ θ ).

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