8 r t sin 3t cos 3t 3t find a the arc length from 1 0 1 5m to 0 1 67 b the unit tangent vector at point 0 1 67 c the velocity

Question

8 r t sin 3t cos 3t 3t find a the arc length from 1 0 1 5m to 0 1 67 b the unit tangent vector at point 0 1 67 c the velocity acceleration vectors at point 0 1 67 d the curvaturekat point 0 1 67 16

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