Asked by Maxx
Prove left hand side equals right hand side:
(sinx)/(1-cosx)=(1+cosx)/(sinx)
(sinx)/(1-cosx)=(1+cosx)/(sinx)
Answers
Answered by
Steve
sinx/(1-cosx)
= sinx(1+cosx) / (1-cosx)(1+cosx)
= sinx(1+cosx) / (1-cos^2x)
= sinx(1+cosx) / sin^2x
= (1+cosx)/sinx
= sinx(1+cosx) / (1-cosx)(1+cosx)
= sinx(1+cosx) / (1-cos^2x)
= sinx(1+cosx) / sin^2x
= (1+cosx)/sinx
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