Vector A points in the negative y direction and has a magnitude of 4 units. Vector B has three times the magnitude and points in the positive x direction. Find the direction and magnitude of the following vectors.
(a) A + B
(a) A + B
° (counterclockwise from the +x-axis)
(b) A – B
° (counterclockwise from the +x-axis)
(c) B – A
° (counterclockwise from the +x-axis)