SOLUTION: prove that: cos2A/1+sin2A = 1-tanA/1+tanA

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Question 1162811: prove that:
cos2A/1+sin2A = 1-tanA/1+tanA
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
prove that:
cos2A/1+sin2A = 1-tanA/1+tanA
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Is it cos(2A) ?
or cos^2(A) ?
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Use parentheses.
They are free.