Trigonometry Examples

$\sin (2 \arcsin (- \frac{4}{5}))$

Step 1

Evaluate $\arcsin (- \frac{4}{5})$ .

$\sin (2 \cdot - 0.92729521)$

Step 2

Multiply $2$ by $- 0.92729521$ .

$\sin (- 1.85459043)$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\sin (2 \arcsin (- \frac{4}{5}))$

Decimal Form:

$- 0.96$

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