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

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


   

Question 608276: Prove the following identity:
%281-sin2x%29%2F%28cos2x%29+=+%28cos2x%29%2F%281%2Bsin2x%29
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Prove the following identity:
%281-sin2x%29%2F%28cos2x%29+=+%28cos2x%29%2F%281%2Bsin2x%29
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If it's sin(2x), etc, cross multiply
1 - sin^2 = cos^2 the Pythagorean identity