If Sintheta+ Costheta=p and Sectheta+ Cosectheta= q then prove that q(p²-1)=2p | cbse class 10 maths

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If Sintheta+ Costheta=p and Sectheta+ Cosectheta= q then prove that q(p²-1)=2p | cb
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Thanks you sm sir ❤ I also watched other videos on this question but I couldn't understand any of them, until this one 🙇🏻‍♀️🤍

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If sin θ+cos θ=p and sec θ+cosec θ=q,  then prove that q(p2−1)=2p.

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