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August 1, 2015

Homework Help: Math

Posted by Jake on Wednesday, January 25, 2012 at 10:06pm.

How many solutions does the equation cosx + 1/2 = 1 have for 0<x<2pi


cosx+1/2=1
cosx+1=2
cosx=2-1
cosx=1

therefore 1 solution?


A) 1
b) 2
c) 3
d) 4

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