Khan/khan-exercises — Issue #5640: Trigonometry challenge - No graphic
Author: KhanBugz
Created: 2011-11-05 21:09:11+00:00
State: open
Labels: ie8, xp

Doing the Trigonometry challenge and questions 'what is f(x)?' have no graphic

[trigonometry_challenge.html?seed=146&problem=6 (graphs_of_sine_and_cosine)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_challenge.html?seed=146&problem=6&debug)

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