Khan/khan-exercises — Issue #11285: Trig identities 1 - Wrong Solution given
Author: KhanBugz
Created: 2012-01-15 18:17:59+00:00
State: open
Labels: chrome, lion, wrong-or-unclear

Reporter: m5praetor@gmail.com

the solution given is for sin rather than cos

[trig_identities_1.html?seed=67&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trig_identities_1.html?seed=67&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trig_identities_1.html?seed=67&problem=0&debug&activity=%5B%5D)

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Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.75 Safari/535.7

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