Question: Suppose that Fred's velocity is vr(t) = 2Ot - cos(rt) meters/minute and Marie's velocity is vm(t) = 30t + sin(rt) meters/minute at time t minutes

Suppose that Fred's velocity is vr(t) = 2Ot - cos(rt) meters/minute and Marie's velocity is vm(t) = 30t + sin(rt) meters/minute at time t minutes after the start of a race. Find (vv(t) - vr(t)) dt

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