Khan/khan-exercises — Issue #6689: Trigonometry challenge - Ther's no graph 
Author: KhanBugz
Created: 2011-11-19 12:42:03+00:00
State: open
Labels: ie8, not-showing, vista

I can't see a function, which should be graphed .

[trigonometry_challenge.html?seed=16&problem=6 (graphs_of_sine_and_cosine)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_challenge.html?seed=16&problem=6&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_challenge.html?seed=16&problem=6&debug&activity=%5B%5D)

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