(2,−π3)\left(2,-\frac{\pi}{3}\right)(2,−3π)
(23,n3)\left(2 \sqrt{3}, \frac{n}{3}\right)(23,3n)
(2,4π3)\left(2, \frac{4 \pi}{3}\right)(2,34π)
(23,π6)\left(2 \sqrt{3}, \frac{\pi}{6}\right)(23,6π)