Precalculus Examples

$- 300$

Step 1

Find an angle that is positive, less than $360 °$ , and coterminal with $- 300 °$ .

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Step 1.1

Add $360 °$ to $- 300 °$ .

$- 300 ° + 360 °$

Step 1.2

The resulting angle of $60 °$ is positive and coterminal with $- 300 °$ .

$60 °$

Step 2

Since $60 °$ is in the first quadrant, the reference angle is $60 °$ .

$60 °$