degrees - radians, dd - dms, coterminal

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 Decimal-Minutes-Seconds (DMS) format?

Back

DMS format expresses angles in degrees, minutes, and seconds. 1 degree = 60 minutes, 1 minute = 60 seconds.

Front

Convert 45 degrees to DMS format.

Back

45 degrees = 45° 0' 0".

Front

What is a coterminal angle?

Back

Coterminal angles are angles that share the same terminal side. They can be found by adding or subtracting multiples of 360 degrees or 2π radians.

Front

Find a coterminal angle for 270 degrees.

Back

A coterminal angle for 270 degrees is 270 - 360 = -90 degrees.

Front

What quadrant is the terminal side of a 135° angle in?

Back

The terminal side of a 135° angle is in Quadrant II.

Front

What quadrant is the terminal side of a -30° angle in?

Back

The terminal side of a -30° angle is in Quadrant IV.

Front

Back