Marking radians on Unit Circle

Here’s a simple little thing I made on desmos:

Screen shot 2013-03-11 at 6.16.16 PMScreen shot 2013-03-11 at 6.19.21 PM

https://www.desmos.com/calculator/beugfsxqfm

You can change the value of a to anything you like.

It doesn’t calculate the (x, y) of the end point; it just shows where the angle you want to see will be on the circle.

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