Trigonometry Examples

$\sin (45 \cos (45))$

Step 1

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

$\sin (45 \frac{\sqrt{2}}{2})$

Step 2

Combine $45$ and $\frac{\sqrt{2}}{2}$ .

$\sin (\frac{45 \sqrt{2}}{2})$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\sin (\frac{45 \sqrt{2}}{2})$

Decimal Form:

$0.52724954 \dots$