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September 21, 2014

Homework Help: pre-calc help !!!!!!!

Posted by Haley on Tuesday, November 20, 2012 at 3:27pm.

#1 cos x+sec x=2

#2 (1+tan x)^2= 2 tan x+2

#3 cos^2x-sin^2 x+1=cos x


please show all work & thanks

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