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August 30, 2015

Homework Help: Math, Pre-Calc

Posted by Katie on Thursday, April 23, 2009 at 6:31pm.

the original problem was:

Solve: sin(3x)-sin(x)=cos(2x)

so far i've gooten to:
sin(x)(2sin(x)cos(x)-1)=cos^2(x)-sin^2(x)

Where would I go from here?

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