We need to proof L. H. S and R. H. S same.
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it is a wtong question but it is a right answer
the question will be
(1-cosA)/(1+cosA) = (cosecA - cosA)^2
the question will be
(1-cosA)/(1+cosA) = (cosecA - cosA)^2
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nitin777:
i mean cotA
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