Math, asked by bhawanisingh56, 1 year ago

tanAtanB=cot(A+B/2) when cosecA+SecA=cosecB+secB

Answers

Answered by loveyou22

6

CosecA + SecA = CosecB + SecB. Prove that :- tanAtanB=CotA+B\2 ... i.e cosecA-cosecB= secB-secA ... i.e cot(A+B)/2=tanAtanB

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