Khan/khan-exercises — Issue #12035: Inverse trig functions - won't accept answer
Author: KhanBugz
Created: 2012-01-24 22:53:39+00:00
State: open
Labels: firefox, other, win7

In inverse trig functions, there is a problem with sin^-1 (1/2), it wont accept 30 either pi/6.

[inverse_trig_functions.html?seed=155&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/inverse_trig_functions.html?seed=155&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/inverse_trig_functions.html?seed=155&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22pi%2F3%5C%22%22%2C8%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22pi%2F6%5C%22%22%2C10%5D%2C%5B%22incorrect-activity%22%2C%22%5C%225%2F6pi%5C%22%22%2C10%5D%2C%5B%22incorrect-activity%22%2C%22%5C%225%2F6*pi%5C%22%22%2C6%5D%2C%5B%22incorrect-activity%22%2C%22%5C%225pi%2F6%5C%22%22%2C6%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2230%5C%22%22%2C14%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2260%5C%22%22%2C7%5D%2C%5B%22incorrect-activity%22%2C%22%5C%226%2Fpi%5C%22%22%2C5%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22pi%2F4%5C%22%22%2C16%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2245%5C%22%22%2C6%5D%2C%5B%22incorrect-activity%22%2C%22%5C%220%5C%22%22%2C16%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2230%5C%22%22%2C4%5D%2C%5B%22incorrect-activity%22%2C%22%5C%221%2F6%20pi%5C%22%22%2C19%5D%2C%5B%22incorrect-activity%22%2C%22%5C%221%2F6pi%5C%22%22%2C4%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22pi%2F6%5C%22%22%2C49%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22pi%2F6%5C%22%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C1%5D%2C%5B%22hint-activity%22%2C%220%22%2C6%5D%2C%5B%22hint-activity%22%2C%220%22%2C6%5D%2C%5B%22hint-activity%22%2C%220%22%2C7%5D%2C%5B%22hint-activity%22%2C%220%22%2C8%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2230%5C%22%22%2C13%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2230%5C%22%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2230%5C%22%22%2C10%5D%5D)

["pi/3","pi/6","5/6pi","5/6*pi","5pi/6","30","60","6/pi","pi/4","45","0","30","1/6 pi","1/6pi","pi/6","pi/6","30","30","30"]

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

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