Trigonometry Examples

$900$

Step 1

Subtract $360 °$ from $900 °$ .

$900 ° - 360 °$

Step 2

The resulting angle of $540 °$ is positive and coterminal with $900$ but isn't less than $360 °$ . Repeat the step.

$540 °$

Step 3

Subtract $360 °$ from $540 °$ .

$540 ° - 360 °$

Step 4

The resulting angle of $180 °$ is positive, less than $360 °$ , and coterminal with $900$ .

$180 °$