Khan/khan-exercises — Issue #11217: Trigonometry challenge - Correct Answer, yet :(
Author: KhanBugz
Created: 2012-01-14 19:44:51+00:00
State: open
Labels: firefox, win7, wrong-or-unclear

Reporter: donaterofal@gmail.com

56π. I got the answer right.
I wrote 5pi/6 and it said it was wrong.

[trigonometry_challenge.html?seed=152&problem=18 (inverse_trig_functions)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_challenge.html?seed=152&problem=18&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_challenge.html?seed=152&problem=18&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%225pi%2F6%5C%22%22%2C84%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22-pi%2F6%5C%22%22%2C14%5D%2C%5B%22hint-activity%22%2C%220%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22incorrect-activity%22%2C%22%5C%225pi%2F6%5C%22%22%2C14%5D%5D)

["5pi/6","-pi/6","5pi/6"]

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:9.0.1) Gecko/20100101 Firefox/9.0.1

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