Question: Consider the following vector function. r(t) = (8t , sin(t) - t cos(t), cos(t) + t sin(t)), t > 0 (a) Find the unit tangent

Consider the following vector function. r(t) = (8t , sin(t) - t cos(t), cos(t) + t sin(t)), t > 0 (a) Find the unit tangent and unit normal vectors T(t) and N(t). T(t) = N(t) = (b) Use this formula to find the curvature. K(t) =

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