A particle moves with its position given by z = cos(t) and y = sin(), where positions are given in feet from the origin and time t is in seconds. Find the speed of the particle. Speed = (include units) Find the first positive time when the particle comes to a stop. t = (include units) If n is any odd integer, write a formula (in terms of n) for all positive times t at which the particle comes to a stop. t = (include units)

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