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Rajan@2021
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Prove that: cosec^4 θ – cosec^2 θ = cot^4 θ + cot^2 θ

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This is the basic and exam oriented question as it is already asked in previous year paper of 2007 in which we have to prove that cosec^4 θ – cosec^2 θ = cot^4 θ + cot^2θ

RS Aggarwal, Class 10, chapter 13A, question 17(iii).

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