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Find the unit tangent vector to the curve at the specified value of the parameter. r(t) = 2 cos(t)i + 2 sin(t)j, t =! =

Find the unit tangent vector to the curve at the specified value of the parameter. r(t) = 2 cos(t)i + 2 sin(t)j, t =! = sin ( " ) i + cos ( # ); = - H N V2 X eBook

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