(2,−3π2)\left(2,-\frac{3 \pi}{2}\right)(2,−23π)
(2,3π2)\left(2, \frac{3 \pi}{2}\right)(2,23π)
(2,−5π4)\left(2,-\frac{5 \pi}{4}\right)(2,−45π)
(2,5π4)\left(2, \frac{5 \pi}{4}\right)(2,45π)