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

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

r(t) = et cos ti + e sin tj, t = TT 

r(t) = et cos ti + e sin tj, t = TT 2

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