Precalculus Examples

$\cos (\frac{15}{2}) π$

Step 1

Reorder factors in $\cos (\frac{15}{2}) π$ .

$π \cos (\frac{15}{2})$

Step 2

The result can be shown in multiple forms.

Exact Form:

$π \cos (\frac{15}{2})$

Decimal Form:

$1.08898696 \dots$

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