Date: Mar 30, 2013 2:08 AM
Author: Randy Po
Subject: Re: ACT Math Question

the answer should be 12/5 
cos x = addjacent side/ hypotenuse
you need you use pythagorean thereom to find the third side which 12 ( b^2 + 5^2 = 13^2).
Then tan x = opposite side/ adjacent side