Find the following for the vectors v 101 9k and u i k a v u v ul b the cosine of the angle between v and u c the scalar component of u in the direction of v d the vector proj u a v u Type an exact answer using radicals as needed v Type an exact answer using radicals as needed u Type an exact answer using radicals as needed b The cosine of the angle between v and u is Type an exact answer using radicals as needed c The scalar component of u in the direction of v is Type an exact answer using radicals as needed d proj u Type your answer in terms of i j and k Type an exact answer using radicals as ne