Trigonometry Examples

$- 7$

Step 1

Find an angle that is positive, less than $360 °$ , and coterminal with $- 7 °$ .

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Step 1.1

Add $360 °$ to $- 7 °$ .

$- 7 ° + 360 °$

Step 1.2

The resulting angle of $353 °$ is positive and coterminal with $- 7 °$ .

$353 °$

Step 2

Since the angle $353 °$ is in the fourth quadrant, subtract $353 °$ from $360 °$ .

$360 ° - 353 °$

Step 3

Subtract $353$ from $360$ .

$7 °$