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August 1, 2015

Homework Help: Precalculus

Posted by Anonymous on Thursday, January 3, 2013 at 5:14pm.

Please help!!!!!!!!!!! Find all solutions to the equation in the interval [0,2π).
8. cos2x=cosx
10. 2cos^2x+cosx=cos2x
Solve algebraically for exact solutions in the interval [0,2π). Use your grapher only to support your algebraic work.
24. cos2x+sinx=0

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