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July 29, 2015

Homework Help: Math

Posted by Maurice on Thursday, March 22, 2012 at 11:26am.

Solve each equation for all real values of x.

7.) 3 cos 2x - 5 cos x = 1
8.) 2 sin^2 x-5 sin x + 2 = 0
9.)3 sec^2 - 4 = 0
10.) tan x (tan x-1) = 0

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