Degrees to Radians, coterminal and reference angles

Front

What is the formula to convert degrees to radians?

Back

Radians = Degrees × (π/180)

Front

What is the reference angle for an angle of 300 degrees?

Back

60 degrees

Front

How do you find coterminal angles?

Back

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

Front

What are the positive and negative coterminal angles of -225 degrees?

Back

135°, -585°

Front

What is 10° in radians?

Back

π/18

Front

How do you convert radians to degrees?

Back

Degrees = Radians × (180/π)

Front

Convert 35π / 18 radians into degrees.

Back

350°

Front

What is 165° in radians?

Back

11π/12

Front

What is a reference angle?

Back

The acute angle formed by the terminal side of an angle and the x-axis.

Front

What is the reference angle for 150 degrees?

Back

30 degrees