Question: For the curve given by r(t) = (sin 3 t, cos 3 t, sin 2 t), 0 < t < y 2 , find (a)

For the curve given by r(t) = (sin³t, cos³t, sin²t), 0 < t < y², find
(a) The unit tangent vector,
(b) The unit normal vector,
(c) The unit binormal vector, and
(d) The curvature.

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