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Precalculus Examples
Step 1
To convert radians to degrees, multiply by , since a full circle is or radians.
Step 2
Step 2.1
Combine and .
Step 2.2
Multiply by .
Step 3
Move the negative in front of the fraction.
Step 4
Replace with an approximation.
Step 5
Divide by .
Step 6
Multiply by .
Step 7
Convert to a decimal.