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May 26, 2015

Homework Help: Precalculus

Posted by Anonymous on Thursday, November 18, 2010 at 8:51am.

State the amplitude, period, and phase shift of the function.

h(t)=-9cos(7t-Pie/5)
I got the amplitude and the period. For the phase shift I got (Pie/5)/7 but its wrong. Can someone tell me what I did wrong?

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