Khan/khan-exercises — Issue #15766: Trigonometry 1 - wrong answer?
Author: KhanBugz
Created: 2012-03-08 23:37:44+00:00
State: open
Labels: firefox, wrong-or-unclear, xp

Reporter: mweiss@slb.com

i was with you all the way till the last step. i get 5 over root 41, no?

[trigonometry_1.html?seed=190&problem=cosTrig1](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_1.html?seed=190&problem=cosTrig1&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_1.html?seed=190&problem=cosTrig1&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22None%20of%20the%20above.%5C%22%22%2C49%5D%2C%5B%22hint-activity%22%2C%220%22%2C28%5D%2C%5B%22hint-activity%22%2C%220%22%2C32%5D%2C%5B%22hint-activity%22%2C%220%22%2C33%5D%2C%5B%22hint-activity%22%2C%220%22%2C34%5D%2C%5B%22hint-activity%22%2C%220%22%2C35%5D%2C%5B%22hint-activity%22%2C%220%22%2C38%5D%5D)

["None of the above."]

Mozilla/5.0 (Windows NT 5.1; rv:10.0.2) Gecko/20100101 Firefox/10.0.2

MathJax is loaded, ready, queue length: 0