prove that cos² A+ 1/1+ cot² a=1
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The formulae used are:
cot²A + 1 = cosec²A
1/(cosec²A) = sin²A
cot²A + 1 = cosec²A
1/(cosec²A) = sin²A
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Answer:
LHS: Solved above
RHS=1
Hence Proved
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