Thursday
November 27, 2014

Homework Help: trig

Posted by stacey graham on Friday, March 26, 2010 at 12:16am.

verify the identity:

tan^2x(1+cot^2x)=1/1-sin^2x

Verify the Id:
tanx + cotx/ tanx-cotx = (1/sin^2x-cos^2x)

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