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You probably are familiar with degrees in trig, but did you know there is another way to measure angles?
These are called Radians and unlike Degrees, do not have a unit.
Why don't radians have a unit? How are they derived? Look here for guidence
Converting Between Radians and Degrees
To go from degrees to Radians multiply your degrees by
To go from Radians to degrees multiply your radians by
Tips and Tricks: Since we know that , you can visualize radians as being half a circle. Using this trick, fill out the table below.
Note: In upper level math Radians are prefered over degrees because they are unitless, so you should get used to Radians!
For extra practice, try these practice problems here.