SOLUTION: Prove that tan^2 theta/ (sec^2 theta-1)^2 =1+cos theta/1- cos theta

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Question 1029984: Prove that tan^2 theta/ (sec^2 theta-1)^2 =1+cos theta/1- cos theta
Answer by mananth(16946) About Me  (Show Source):
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tan^2 theta/ (sec^2 theta-1)^2 =1+cos theta/1- cos theta


tan%5E2+%28theta%29%2F+%28sec%5E2%28theta%29-1%29%5E2+


%28sec%5E2+%28theta%29-1%29%2F+%28sec%5E2%28theta%29-1%29%5E2+


+%28sec%28theta%29%2B1%29%28sec%28theta%29-1%29%2F%28sec%5E2%28theta%29-1%29%5E2+

+%28sec%28theta%29%2B1%29%2F%28sec%28theta%29-1%29+


%281%2F%28cos%28theta%29%2B1%29%29%2F%281%2F%28cos%28theta%29-1%29%29




%281%2Bcos%28theta%29%29%2F%281-cos%28theta%29%29