Khan/khan-exercises — Issue #5137: Trigonometry challenge - trigonometry challenge
Author: KhanBugz
Created: 2011-10-28 17:20:57+00:00
State: open
Labels: ie8, xp

every time I get an f(x) problem I am unable to see the graph. I am sure it is not my computer because I can see other graphs.

[trigonometry_challenge.html?seed=131&problem=6 (graphs_of_sine_and_cosine)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_challenge.html?seed=131&problem=6&debug)

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