Find the function r that satisfies the given condition. r'(1) = (et, cost, sec 21); r(0) = (4,4,4) r(1) = (0.0.0) Time Remaining: 02:29:52 NextFind the unit tangent vector T and the curvature * for the following parameterized curve. r(t) = (121 cost,10 cost, 11 sint) . . . . . The unit tangent vector is T = (] (Type exact answers, using radicals as needed.) The curvature is k =] Time Remaining: 02:29:39 Next