# Precalculus Examples

To convert radians to degrees, multiply by , since a full circle is or radians.
Cancel the common factor of .
Factor out the greatest common factor .
Cancel the common factor.
Rewrite the expression.
Cancel the common factor of .
Factor out the greatest common factor .
Cancel the common factor.
Rewrite the expression.
Simplify.
Multiply and to get .
Divide by to get .
Convert to a decimal.

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