Khan/khan-exercises — Issue #8823: Trigonometry challenge - Trigonometry challenge
Author: KhanBugz
Created: 2011-12-16 16:52:33+00:00
State: open
Labels: ie8, other, xp

Problem is shown in program language and there is no "check answer" box.

[trigonometry_challenge.html?seed=40&problem=25 (graphs_of_sine_and_cosine)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_challenge.html?seed=40&problem=25&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_challenge.html?seed=40&problem=25&debug&activity=undefined)

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Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)

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