Trigonometry Examples

$\sin (21 \cdot 10.5)$

Step 1

Multiply $21$ by $10.5$ .

$\sin (220.5)$

Step 2

The result can be shown in multiple forms.

Exact Form:

$\sin (220.5)$

Decimal Form:

$- 0.64944804 \dots$

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