Three Dimensional Geometry

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

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

\(\left(\frac{ \pm 1}{\sqrt{3}}, \frac{ \pm 1}{\sqrt{3}}, \frac{ \pm 1}{\sqrt{3}}\right)\)

\(\left(\frac{12}{15}, \frac{5}{13}, 0\right)\)