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Maths CBSE Live product
Class 10 (2025-26)
Introduction to trigonometry
Annual Revision III - Introduction to trigonometry
7.
Select the correct answer
Question:
3
m.
If \(\sin x + \cos x = p\) and \(\sec x + \text{cosec}\: x = q\), then \(q(p^2 - 1) = \)
\(2p\)
\(p^2\)
\(2q\)
\(p^2\)
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