Precalculus Examples

$\sin (2) (\frac{π}{2})$

Step 1

Combine $\sin (2)$ and $\frac{π}{2}$ .

$\frac{\sin (2) π}{2}$

Step 2

Reorder factors in $\frac{\sin (2) π}{2}$ .

$\frac{π \sin (2)}{2}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\frac{π \sin (2)}{2}$

Decimal Form:

$1.42832105 \dots$

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