Posted by **garrett** on Sunday, March 4, 2012 at 11:40am.

Verify the trigonometric identity. Please show all steps. tanx-cotx/tanx+cotx=sin^2x-cos^2x

- trig -
**MathMate**, Sunday, March 4, 2012 at 1:38pm
Hint:

When there is a mixture of tan, sin and cos, use identities to convert everything into sin and cos, and simplify. This usually works, especially if the right-hand side is in sin and cosine.

For your information,

tan(x)=sin(x)/cos(x)

cot(x)=cos(x)/sin(x)

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