Khan/khan-exercises — Issue #11264: Unit circle - 9/4?
Author: KhanBugz
Created: 2012-01-15 09:15:25+00:00
State: open
Labels: firefox, hard, xp

No matter how I rotate this, I am not getting -9/4 pi, so how the hell could I ever answer it?

[unit_circle.html?seed=72&problem=radians](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/unit_circle.html?seed=72&problem=radians&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/unit_circle.html?seed=72&problem=radians&debug&activity=%5B%5D)

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Mozilla/5.0 (Windows NT 5.1; rv:9.0.1) Gecko/20100101 Firefox/9.0.1

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