Khan/khan-exercises — Issue #7059: Inverse trig functions - How to arrive at a solution
Author: KhanBugz
Created: 2011-11-25 18:39:28+00:00
State: open
Labels: chrome, other, snowleo

It is not clear (at least not if you study the hints given) how you should arrive at a solution. Do you have to use the calculator or is there some other way to arrive at the solution (assuming we are not dealing with a 90-45-45 or a 90-60-30 triangle).

[inverse_trig_functions.html?seed=199&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/inverse_trig_functions.html?seed=199&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/inverse_trig_functions.html?seed=199&problem=0&debug&activity=%5B%5D)

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Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.121 Safari/535.2

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