SOLUTION: cos^2theta-sin^2theta/cos^2theta+sin theta cos theta=1-tan theta

Question 1091302: cos^2theta-sin^2theta/cos^2theta+sin theta cos theta=1-tan theta
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

The correct inequality is

Factor the numerator and denominator on the left. The numerator factors as a difference of squares, like

In the denominator you can factor out a common factor between the two terms.

When you have done the factoring, the path to finishing the problem should be easy.
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