Precalculus Examples

$\sin (50 + 180)$

Step 1

Add $50$ and $180$ .

$\sin (230)$

Step 2

The result can be shown in multiple forms.

Exact Form:

$\sin (230)$

Decimal Form:

$- 0.76604444 \dots$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$