Trigonometry Examples

$\tan (45) \cos (30)$

Step 1

The exact value of $\tan (45)$ is $1$ .

$1 \cos (30)$

Step 2

Multiply $\cos (30)$ by $1$ .

$\cos (30)$

Step 3

The exact value of $\cos (30)$ is $\frac{\sqrt{3}}{2}$ .

$\frac{\sqrt{3}}{2}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$\frac{\sqrt{3}}{2}$

Decimal Form:

$0.86602540 \dots$