300

60

30

120

295

155

65 -

65

$\sqrt{3}$

$\frac{-1}{\sqrt{3}}$

$\frac{1}{\sqrt{3}}$

$-\sqrt{3}$

0.5

0.569

0.523

0.5700

$\frac{1}{\sqrt{2}}$

$\frac{-1}{\sqrt{2}}$

1

-1

0.5

-0.5

$\frac{\sqrt{3}}{2}$

$-\frac{\sqrt{3}}{2}$

$\sqrt{3}$

$-\sqrt{3}$

$\frac{1}{\sqrt{3}}$

$-\frac{1}{\sqrt{3}}$

1

$\frac{\sqrt{3}}{2}$

- 0.5

0.5

- 0.5

0.5

1

-1