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Math Forum » Discussions » Math Topics » geometry.pre-college.independent

Topic: ACT Math Question
Replies: 4   Last Post: Mar 31, 2013 4:15 PM

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Randy Po

Posts: 3
From: Stockton, California
Registered: 3/30/13
Re: ACT Math Question
Posted: Mar 30, 2013 2:08 AM
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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



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