Trigonometry Examples

- 135 °

$- 135 °$

Step 1

Find an angle that is positive, less than

360 °

$360 °$ , and coterminal with

- 135 °

$- 135 °$ .

Tap for more steps...

Step 1.1

Add

360 °

$360 °$ to

- 135 °

$- 135 °$ .

- 135 ° + 360 °

$- 135 ° + 360 °$

Step 1.2

The resulting angle of

225 °

$225 °$ is positive and coterminal with

- 135 °

$- 135 °$ .

225 °

$225 °$

225 °

$225 °$

Step 2

Since the angle

180 °

$180 °$ is in the third quadrant, subtract

180 °

$180 °$ from

225 °

$225 °$ .

225 ° - 180 °

$225 ° - 180 °$

Step 3

Subtract

180

$180$ from

225

$225$ .

45 °

$45 °$

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

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