Problem 1. Find the unit tangent vector of r(t) = (2, cos(3t), In(3t) ) at t = 2. Problem 2. Find parametric equations for the
Problem 1. Find the unit tangent vector of r(t) = (2, cos(3t), In(3t) ) at t = 2. Problem 2. Find parametric equations for the tangent line to the curve given by " (t) = (4, cost, tsint), 0
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