Khan/khan-exercises — Issue #15236: Trig identities 1 - Keeps returnng to the same set of questions
Author: KhanBugz
Created: 2012-03-02 10:05:31+00:00
State: open
Labels: firefox, hard, xp

Reporter: edfutcher@gmail.com

I've completed trig identities 1 including some problems to become proficient. Now I'm looking at proof of sin(a+b), after watching, I try the problems and it takes me back to the trig identities problem.

[trig_identities_1.html?seed=73&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trig_identities_1.html?seed=73&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trig_identities_1.html?seed=73&problem=0&debug&activity=%5B%5D)

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

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