Math, asked by hopriyaKHtmr, 1 year ago

1+cosA/ sinA + sinA/1+cosA=2cosecA . evaluate

Answers

Answered by qais
6
LHS
[(1+cosA)/sinA] + [sinA/(1+cosA)]

Taking LCM
[(1+cosA)² + sin²A]/[sinA(1+cosA)]
=[1+ cos²A + 2 cosA + sin²A ]/[sinA(1+cosA)]
=(2+2cosA)/[sinA(1+cosA)]
=2(1+cosA)[sinA(1+cosA)]
=2/sinA
=2 cosecA
=RHS

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