Find the unit tangent vector T and the curvature k for the following parameterized curve. r(t) = (195 cost,7 cost, 12 sin t) . . The unit tangent vector is T = (Type exact answers, using radicals as needed.)Find the unit tangent vector T and the curvature K for the following parameterized curve. TI: TI: r(t)= (t, In (cos t)) for E