Question: (a) Find the unit tangent and unit normal vectors T(t) and N(t). (b) Use Formula 9 to find the curvature. r(t) = (t, 3 cos

(a) Find the unit tangent and unit normal vectors T(t) and N(t).
(b) Use Formula 9 to find the curvature.

r(t) = (t, 3 cos t, 3 sin t)

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