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CBSE Class 10 Math 2023 All India Set-2 Solved Paper

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Question : 9 of 11
Marks: +1, -0
If sinθ+cosθ=p\sin \theta + \cos \theta = p and secθ+cscθ=q\sec \theta + \csc \theta = q, then prove that q(p21)=2pq(p^{2}-1)=2p.
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