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OpenStudy (anonymous):
given the equation for simple harmonic motion d = 8cos (3pi/4 t), find the period. if necessary, use / to represent a fraction
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OpenStudy (dumbcow):
period = 2pi/B for function: Acos(Bt) for equation d= 8cos(3pi/4 t) , B = 3pi/4 --> period = 2pi/(3pi/4) = 2pi*(4/3pi) = 8/3
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