Find two other pairs of polar coordinates of the given polar coordinate, one with r > 0 and one with r <0. Then plot

Find two other pairs of polar coordinates of the given polar coordinate, one with r > 0 and one with r 0) (r, 0) = (r < 0) (b) (2. -5x/6) (r. 0) = (r> 0) (r, 0) = (r < 0) (c) (-2, x/4) (r, 0) = (r> 0) (r, 0) = (r < 0) 6c