Question: Find T(t), N(t), a T , and a n at the given time t for the plane curve r(t). r(t) = 4 cos 3ti +

Find T(t), N(t), aT, and an at the given time t for the plane curve r(t).

r(t) = 4 cos 3ti + 4 sin 3tj, t = 

r(t) = 4 cos 3ti + 4 sin 3tj, t =

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