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Prove that sqrt((secA-1)/(secA+1))+sqrt((secA+1)/(secA-1))=2cosecA
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sqrt((secA-1)/(secA+1))+sqrt((secA+1)/(secA-1))=2cosecA
RootsecA-1/secA+1 = root secA+1/secA-1 = 2cosec
√secA-1/secA+1 + √secA+1/secA-1 = 2 cosecA
RootsecA-1/secA+1 = root secA+1/secA-1 = 2cosec
√secA-1/secA+1 + √secA+1/secA-1 = 2 cosecA