Trigonometry Examples

$\cos (\sin (- 1 \sqrt{\frac{2}{2}}))$

Step 1

Divide $2$ by $2$ .

$\cos (\sin (- 1 \sqrt{1}))$

Step 2

Any root of $1$ is $1$ .

$\cos (\sin (- 1 \cdot 1))$

Step 3

Multiply $- 1$ by $1$ .

$\cos (\sin (- 1))$

Step 4

Evaluate $\sin (- 1)$ .

$\cos (- 0.0174524)$

Step 5

The result can be shown in multiple forms.

Exact Form:

$\cos (- 0.0174524)$

Decimal Form:

$0.99999995 \dots$

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