Trigonometry Examples

$\sin (405)$

Step 1

Remove full rotations of

$360$ ° until the angle is between

$0$ ° and

$360$ °.

$\sin (45)$

Step 2

The exact value of

$\sin (45)$ is

$\frac{\sqrt{2}}{2}$ .

$\frac{\sqrt{2}}{2}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\frac{\sqrt{2}}{2}$

Decimal Form:

$0.70710678 \dots$

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