If and where A and B lie in first and third quadrant resp…

Maths Trigonometrical Ratios, Functions and Identities Trigonometrical Ratios of Sum and Difference of Two and Three Angles Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 12, 2026

If and where A and B lie in first and third quadrant respectively, then

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Text Solution

Verified by Experts

The correct answer is:

We have and

Now,

(Since A lies in first quadrant and B lies in third quadrant).

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