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[-/0.18 Points] DETAILS SCALCET9 13.XP.3.008.MI. Use the theorem given below to find the curvature. r(t) = 6ti + 4 sin(t)j + 4 cos(t) k Theorem: The curvature of the curve given by the vector function r is x(t - r (t) x r ()| Ir'(t)13 K (t) =8. [-/0.18 Points] DETAILS SCALCET9 13.3.029. Find the curvature of r(t) = (9t, to, to) at the point (9, 1, 1). K=