Khan/khan-exercises — Issue #4625: Trigonometry challenge - Trig challenge-graph not appearing
Author: KhanBugz
Created: 2011-10-20 00:18:25+00:00
State: open
Labels: ie8, ie9, vista

On the trig challenge, one must figure f(x) by looking at a sin or cosine graph.
The graph hasn't shown up for 3 times while other problems seem okay.

[trigonometry_challenge.html?seed=196&problem=6 (graphs_of_sine_and_cosine)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_challenge.html?seed=196&problem=6&debug)

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