Khan/khan-exercises — Issue #13949: Inverse trig functions - Correct answer not accepted
Author: KhanBugz
Created: 2012-02-16 04:27:36+00:00
State: open
Labels: firefox, other, xp

Reporter: chick.singdale@comcast.net

Since this is the first problem, I can't continue with the exercise.

[inverse_trig_functions.html?seed=38&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/inverse_trig_functions.html?seed=38&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/inverse_trig_functions.html?seed=38&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22-%201%2F4%20pi%5C%22%22%2C125%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C6%5D%2C%5B%22hint-activity%22%2C%220%22%2C8%5D%2C%5B%22hint-activity%22%2C%220%22%2C10%5D%2C%5B%22hint-activity%22%2C%220%22%2C12%5D%5D)

["- 1/4 pi"]

Mozilla/5.0 (Windows NT 5.1; rv:10.0.1) Gecko/20100101 Firefox/10.0.1

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