Trigonometry Examples

$\sin (- \frac{\sqrt{2}}{2})$

Since $\sin (- \frac{\sqrt{2}}{2})$ is an odd function, rewrite $\sin (- \frac{\sqrt{2}}{2})$ as $- \sin (\frac{\sqrt{2}}{2})$ .

$- \sin (\frac{\sqrt{2}}{2})$

The result can be shown in multiple forms.

Exact Form:

$- \sin (\frac{\sqrt{2}}{2})$

Decimal Form:

$- 0.64963693 \dots$