Trigonometry Examples

$\cos (\sin (\frac{2}{5}))$

Step 1

Evaluate $\sin (\frac{2}{5})$ .

$\cos (0.38941834)$

Step 2

The result can be shown in multiple forms.

Exact Form:

$\cos (0.38941834)$

Decimal Form:

$0.92513004 \dots$

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