nπ+π6n \pi+\frac{\pi}{6}nπ+6π
nπ±π6n \pi \pm \frac{\pi}{6}nπ±6π
2nπ±π62 n \pi \pm \frac{\pi}{6}2nπ±6π
2nπ−π62 n \pi-\frac{\pi}{6}2nπ−6π