Find two other pairs of polar coordinates of the given polar coordinate, one with r > 0 and one with r < 0.
Then plot the point.
(a) (4, /2)
(r, θ)______(r > 0)
(r, θ)______(r < 0)
Then plot the point.
(a) (4, /2)
(r, θ)______(r > 0)
(r, θ)______(r < 0)