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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 **

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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.

Radians | Degrees |

**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.