SOLUTION: Prove the following identity: {{{(cos2x)/(1+sin2x) = (cotx-1)/(cotx+1)}}}

Algebra ->  Trigonometry-basics -> SOLUTION: Prove the following identity: {{{(cos2x)/(1+sin2x) = (cotx-1)/(cotx+1)}}}      Log On


   

Question 608278: Prove the following identity:
%28cos2x%29%2F%281%2Bsin2x%29+=+%28cotx-1%29%2F%28cotx%2B1%29
Answer by solver91311(24713) About Me  (Show Source):
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