Trigonometry Examples

$\sin (2 \cdot \frac{4}{5})$

Step 1

Combine $2$ and $\frac{4}{5}$ .

$\sin (\frac{2 \cdot 4}{5})$

Step 2

Multiply $2$ by $4$ .

$\sin (\frac{8}{5})$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\sin (\frac{8}{5})$

Decimal Form:

$0.99957360 \dots$

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