Trigonometry Examples

$\sin (45) = x$

Step 1

Rewrite the equation as $x = \sin (45)$ .

$x = \sin (45)$

Step 2

The exact value of $\sin (45)$ is $\frac{\sqrt{2}}{2}$ .

$x = \frac{\sqrt{2}}{2}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$x = \frac{\sqrt{2}}{2}$

Decimal Form:

$x = 0.70710678 \dots$