Question: This problem has two independent parts. a) (5 points) Let F(t)= (1, , ). Find the unit tangent vector T(t) at t = 1.

This problem has two independent parts. a) (5 points) Let F(t)= (1,

This problem has two independent parts. a) (5 points) Let F(t)= (1, , ). Find the unit tangent vector T(t) at t = 1. T(1)-(- b) (4 points) The position vector of a moving object at time t is given by F(t)= (t, cost, sin t). At time t, find the object's (A) velocity, (B) speed, (C) acceleration. Velocity ( Speed Acceleration ( .).

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