sin(90-A)/cosec(90-A) + cos(90-A)/sec(90-A)=1 prove LHS = RHS
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Answer:
LHS
sin(90-A)=cosA
cosec(90-A)=secA
cos(90-A)=sinA
sec(90-A)=cosecA
cosA/secA+sinA/cosecA
=cosA×cosA+sinA×sinA
=cos^2A+sin^2A
=1=RHS
LHS=RHS(Proved)
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