$$(0, 0, 1), \left(\frac{\pi}{6}, \frac{1}{2}, \frac{\sqrt{3}}{2}\right)\left(\frac{\pi}{3}, \frac{\sqrt{3}}{2}, \frac{1}{2}\right)\left(\frac{\pi}{2}, 1, 0\right), .............$$

A

$$\left(\frac{2\pi}{3}, \frac{-\sqrt{3}}{2}, \frac{-1}{2}\right)$$

B

$$\left(\frac{2\pi}{3}, \frac{-1}{2}, \frac{\sqrt{3}}{2}\right)$$

C

$$\left(\frac{2\pi}{3}, \frac{\sqrt{3}}{2}, \frac{1}{2}\right)$$

D

$$\left(\frac{2\pi}{3}, \frac{\sqrt{3}}{2}, \frac{-1}{2}\right)$$