Thursday
August 21, 2014

Homework Help: Trig

Posted by jared on Monday, November 7, 2011 at 12:29am.

Prove the following functions:

(sinx+sin2x)/(1+cosx+cos2x)=tan x
(cos3x/sinx)+(sin3x/cosx)=2cot2x
tan2x=(2/cotx-tanx)

theses are due in the am. Fastness would be great?

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