Question 4 Only: reference: teacher made question depicted below

(c) u = (1, 2, 2) , v = (2, 1, -2) (d) u = (1, 0,0) , v = (1, 1, 1) 4. Find all vectors v = (v1, v2, V3) such that the angle between v and k = (0, 0, 1) is 0 = . (Your answer should be an equation in the coordinates v1, v2, and v3.) (9 3) onto (3 Sketch the