Trigonometry Examples

$\sin (- 1) (\frac{π}{2})$

Step 1

Combine $\sin (- 1)$ and $\frac{π}{2}$ .

$\frac{\sin (- 1) π}{2}$

Step 2

Reorder factors in $\frac{\sin (- 1) π}{2}$ .

$\frac{π \sin (- 1)}{2}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\frac{π \sin (- 1)}{2}$

Decimal Form:

$- 1.32177953 \dots$

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