Find the following for the vectors v = 61-5k and u = i +j+k. a. v u, v, u b. the cosine of the angle between v and u c. the scalar component of u in the direction of v d. the vector proju 1-1 (Type an exact answer, using radicals as needed.) u = 3 (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.) 1 183 c. The scalar component of u in the direction of v is (Type an exact answer, using radicals as needed.) d. proju = 1 61 (Type your answer in terms of i, j, and k. Type an exact answer, using radicals as needed.