Trigonometry Examples

$\tan (\frac{\cos (- 1) \cdot 2}{3})$

Step 1

Evaluate $\cos (- 1)$ .

$\tan (\frac{0.99984769 \cdot 2}{3})$

Step 2

Multiply $0.99984769$ by $2$ .

$\tan (\frac{1.99969539}{3})$

Step 3

Divide $1.99969539$ by $3$ .

$\tan (0.66656513)$

Step 4

The result can be shown in multiple forms.

Exact Form:

$\tan (0.66656513)$

Decimal Form:

$0.01163428 \dots$

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