Trigonometry Examples

tan (- 150)

$\tan (- 150)$

Step 1

Apply the reference angle by finding the angle with equivalent trig values in the first quadrant.

tan (30)

$\tan (30)$

Step 2

The exact value of

tan (30)

$\tan (30)$ is

\frac{\sqrt{3}}{3}

$\frac{\sqrt{3}}{3}$ .

\frac{\sqrt{3}}{3}

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

Step 3

The result can be shown in multiple forms.

Exact Form:

\frac{\sqrt{3}}{3}

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

Decimal Form:

0.57735026 \dots

$0.57735026 \dots$