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Re: did i do this math correctly?

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inapt is not online. inapt
Joined: 04 Oct 2008
Total Posts: 11666
23 Oct 2014 08:49 PM
the question is: if you have the side of a right triangle and the angle opposite to it, can you find all the side lengths of the triangle? (assuming it's a right triangle)

this is what I did, where A is the side you know, B is the base of the triangle which you don't know, and X is the angle you know.

tan(x) = a/b
b(tan(x)) = a
b = a/tan(x)

I checked it and it seemed to be correct... Did I do this right? I had to figure out how to use tan myself, me teacher didnt show me how soo
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bradyclark09 is not online. bradyclark09
Joined: 15 Jun 2009
Total Posts: 5226
23 Oct 2014 08:50 PM
That's right.


"This is my story" - R. Kelly
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inapt is not online. inapt
Joined: 04 Oct 2008
Total Posts: 11666
23 Oct 2014 08:50 PM
thx
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Coinman001 is not online. Coinman001
Joined: 10 Apr 2012
Total Posts: 56149
23 Oct 2014 08:51 PM
correct

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inapt is not online. inapt
Joined: 04 Oct 2008
Total Posts: 11666
23 Oct 2014 08:53 PM
ok thanks guys

i pretty much taught myself trig, idek if thats how the problem was intended to be approached
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L2000 is not online. L2000
Joined: 03 Apr 2008
Total Posts: 77448
23 Oct 2014 08:58 PM
ye that's rite way 2 do it
my teacher always showed it like that when she was teaching trig

WOOHOO. https://www.youtube.com/watch?v=cBVeNQ-mtcY‰‡
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Coinman001 is not online. Coinman001
Joined: 10 Apr 2012
Total Posts: 56149
23 Oct 2014 09:06 PM
idk how to do triginometry

but idk im in the high class for math and i get most of dis stuff

so pretty boring

but ya
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