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# Trigonometry Examples

To convert radians to degrees, multiply by , since a full circle is or radians.

Cancel the common factor of .

Move the leading negative in into the numerator.

Factor out of .

Cancel the common factor.

Rewrite the expression.

Cancel the common factor of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Multiply by .

Convert to a decimal.

For angles smaller than , add to the angle until the angle is larger than .

The angle is in the third quadrant.

Quadrant