2(cosπ6+isinπ6)2\left(\cos \frac{\pi}{6}+ \mathbb i \sin \frac{\pi}{6}\right)2(cos6π+isin6π)
2(cosπ6−isinπ6)2\left(\cos \frac{\pi}{6}- \mathbb i \sin \frac{\pi}{6}\right)2(cos6π−isin6π)
2(cosπ3+isinπ3)2\left(\cos \frac{\pi}{3}+ \mathbb i \sin \frac{\pi}{3}\right)2(cos3π+isin3π)
2(cosπ3−isinπ3)2\left(\cos \frac{\pi}{3}- \mathbb i \sin \frac{\pi}{3}\right)2(cos3π−isin3π)