For the point 4, in polar coordinates, (a) plot the point, (b) give two other pairs of polar coordinates for the point, and (c) give the rectangular coordinates of the point. (a) Choose the graph that represents the point |4, OA. O B. OC. OD. 31/2 3x/2 31/2 3x/2 (b) What are the coordinates of the point for which r > 0 and 2x