Degrees/Radians/Unit Circle

Front

What is the relationship between degrees and radians?

Back

Degrees and radians are two units for measuring angles. 180 degrees is equivalent to π radians.

Front

How do you convert degrees to radians?

Back

Front

How do you convert radians to degrees?

Back

Front

What is the value of 1 full rotation in radians?

Back

1 full rotation is equal to 2π radians.

Front

What is the value of 90 degrees in radians?

Back

Front

What is the value of 180 degrees in radians?

Back

180 degrees is equal to π radians.

Front

What is the value of 360 degrees in radians?

Back

360 degrees is equal to 2π radians.

Front

What is the radius of the unit circle?

Back

The radius of the unit circle is 1.

Front

What are the coordinates of the point at 0 radians on the unit circle?

Back

The coordinates are (1, 0).

Front

What are the coordinates of the point at π/2 radians on the unit circle?

Back

The coordinates are (0, 1).