Degrees, Radians, and Coterminal Angles

Front

What is the conversion formula from radians to degrees?

Back

Degrees = Radians × (180/π)

Front

What is 0 radians in degrees?

Back

0 degrees

Front

What is the value of π radians in degrees?

Back

180 degrees

Front

What is the value of 2π radians in degrees?

Back

360 degrees

Front

What is a coterminal angle?

Back

Coterminal angles are angles that share the same terminal side when drawn in standard position.

Front

How do you find a positive coterminal angle?

Back

Add 360 degrees (or 2π radians) to the given angle.

Front

How do you find a negative coterminal angle?

Back

Subtract 360 degrees (or 2π radians) from the given angle.

Front

Convert 90 degrees to radians.

Back

π/2 radians

Front

Convert 360 degrees to radians.

Back

2π radians

Front

What is the coterminal angle of 45 degrees?

Back

405 degrees or -315 degrees.