The components of vector A are A, and Ay (both positive), and the angle that it makes with respect to the positive x axis is 0. Find the angle 8 if the components of the displacement vector A are (a) Ax = 12 m and Ay - 12 m, (b) Ax 21 m and Ay - 12 m, and (c) Ax = 12 m and Ay 21 m. = = (a) = Number i Units