Khan/khan-exercises — Issue #5824: Trig identities 1 - Trig Identities
Author: KhanBugz
Created: 2011-11-08 23:29:23+00:00
State: open
Labels: firefox, win7

The answer for the second problem has 2 divided by square root of 3. From what I was taught in my Calculus class was there cannot be a square root on the bottom.

[trig_identities_1.html?seed=22&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trig_identities_1.html?seed=22&problem=0&debug)

["None of the above."]

Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.23) Gecko/20110920 Firefox/3.6.23

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