Khan/khan-exercises — Issue #8293: Trigonometry challenge - wrong anwer
Author: KhanBugz
Created: 2011-12-10 10:23:26+00:00
State: open
Labels: chrome, vista, wrong-or-unclear

[trigonometry_challenge.html?seed=1&problem=cosTrig1 (trigonometry_1)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_challenge.html?seed=1&problem=cosTrig1&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_challenge.html?seed=1&problem=cosTrig1&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22None%20of%20the%20above.%5C%22%22%2C34%5D%2C%5B%22hint-activity%22%2C%220%22%2C30%5D%5D)

["None of the above."]

Mozilla/5.0 (Windows NT 6.0) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.121 Safari/535.2

MathJax is loaded, ready, queue length: 0