Find the Exact Value -sin(45 degrees )

$- \sin (45 °)$

Step 1

The exact value of $\sin (45 °)$ is $\frac{\sqrt{2}}{2}$ .

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

Step 2

The result can be shown in multiple forms.

Exact Form:

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

Decimal Form:

$- 0.70710678 \dots$