Trigonometry Examples

$\sin (20) \cos (80) - \cos (20) \sin (80)$

Step 1

The result can be shown in multiple forms.

Exact Form:

$\sin (20) \cos (80) - \cos (20) \sin (80)$

Decimal Form:

$- 0.86602540 \dots$

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