Trigonometry Examples

$y = \arcsin (- \frac{\sqrt{2}}{2})$

Step 1

The exact value of $\arcsin (- \frac{\sqrt{2}}{2})$ is $- \frac{π}{4}$ .

$y = - \frac{π}{4}$

Step 2

The result can be shown in multiple forms.

Exact Form:

$y = - \frac{π}{4}$

Decimal Form:

$y = - 0.78539816 \dots$