Khan/khan-exercises — Issue #10649: Inverse trig functions - change of answer format
Author: KhanBugz
Created: 2012-01-08 14:54:53+00:00
State: open
Labels: chrome, wrong-or-unclear

'2pi/3' was graded wrong (input '2/3 pi') was correct.

Also there was no clear warning of change in answer format from radians to degrees (perhaps a fading yellow highlight or an automatic expansion of accepted formats when a change is detected).

[inverse_trig_functions.html?seed=40&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/inverse_trig_functions.html?seed=40&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/inverse_trig_functions.html?seed=40&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%222pi%2F3%5C%22%22%2C30%5D%2C%5B%22correct-activity%22%2C%22%5C%222%2F3%20pi%5C%22%22%2C42%5D%5D)

["2pi/3","2/3 pi"]

Mozilla/5.0 (X11; Linux i686) AppleWebKit/535.2 (KHTML, like Gecko) Ubuntu/10.04 Chromium/15.0.874.106 Chrome/15.0.874.106 Safari/535.2

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