SOLUTION: Proove (cosa+sinA)/(cosa-SinA)=(1+tanA)/(1-tanA)

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Question 826265: Proove
(cosa+sinA)/(cosa-SinA)=(1+tanA)/(1-tanA)
Answer by psbhowmick(878) About Me  (Show Source):
You can put this solution on YOUR website!
%28cosA%2BsinA%29%2F%28cosA-SinA%29
Dividing both numerator and denominator with cosA
= %281+%2B+%28sinA%2FcosA%29%29%2F%281+-+%28cosA%2FSinA%29%29
= %281+%2B+tanA%29%2F%281+-+tanA%29