what is the ratio of said triangle

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what is the ratio of said triangle

Mathematics
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Tan b = Opposite side / adjascent side
remember SOH CAH TOA
Sin B = O/H Cos B = A/H Tan B = O/A

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you are doing A/O
o=opposite a=adjecsent h=hypotenuse
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the line opposite the right angle is always hypotenuse
yes
haha thanks took me a while but I think I got ti
dont worry about it, it seems a little confusing at first, but its gonna be really easy soon
I have a few more if you don't mind? It's really hard for me to find help
well u know how to do it now dont you
just say the word Sohcahtoa
okay this is a soh cah toa problem again
what is sin x and cos x
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hello?
sorry browser closed out on me
thats fine, so look at that diagram
remember SohCah Toa
@KierseyClemons did you pick AB/BC for the first one? That's not correct for tanB... tan is opposite/adjacent - the opposite is AC, the adjacent is AB.
Oh ok wow thanks
so OH
For the second?
I mean A
yes good now what is OA = ?
O/A = ?
soh cah toa remember soh cah toa
wait what does that mean?
S oh --->Sin of Angle = O/H C ah ---->Cos of Angle = A/H T oa ---> Tan of angle = O/A
just remember it like 1 word, dont forget it
SOHCAHTOA, you will use this forever
kinda hard to remember that But i'll try
just think of it as 1 word xD
you just met a friend today, her name was Sohcahtoa are you gonna forget her name >_>
Also remember this one too:\[\huge\tan x =\frac{ \sin x }{ \cos x }\]
she just proved that lol
?
nope
Opposite of A is 15. Adjacent is 8.
look at the line that is not touching angle A that is opposite
yep
Yay! I'm getting there lol
I wouldn't have given you a medal if you were wrong :P
So is it the same thing for cos?
Cos is adjacent/hypotenuse.
okay hold on
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k|dw:1368529054886:dw|
|dw:1368529107736:dw| Hypotenuse is always the longest side, and always opposite the right angle (90 degree angle)
Adjacent is the side that touches the angle (NOT the hypotenuse)
yes
remember that triangle and remember your friends name SOHCAHTOA the spelling will tell you O= opposite H = hypotenuse A=adajscent
no
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look at this diagram can you lable the opposite and adjacent side to b?
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here, just watch this http://www.youtube.com/watch?v=F21S9Wpi0y8
he will explain to you clearly :)
hypotenuse is always the longest side. Always. It doesn't change, ever.
yes, but please watch that video
I did :) that's how I got that lol
ok good :)
you can watch all our math from that guy, he will teach you everything u need to know
I'll put onne more up and I think Ive gtten it down pretty much
Yes.
:)
To make sure, tell us cosA and tanA
Of that same angle right?
yes
Then, tell us sinB, cosB and tanB.
agent smith is a real tutor, u got home work already
cosA= 5/13 tanA= 12/5
Excellent. Now: sinB, cosB and tanB.
Sinb=5/13 cosB= 12/13 tanB= 5/12
good job:)
Excellent!
Yay! I got it lol that video really helped! You guys are awesome!
ya keep watching that guys stuff! he is a very good teacher
I will thanks! Just subscribed lol
i still watch him and iam in university
lol
I'm deff gonna be watching him when I get there lol
yep, what grade are you in?
10th :)
ah ok still a long ways off! i remember those grade 10 days
hahah too fresh
Haha!
just remember studies are really easy!! dont forget it and ull continue to do good.. the day you believe its too hard, u will start to do bad!
I might need help with these still tho
1 Attachment
because it's not a picture
For that you might want to use a 30-60-90 triangle: http://www.freemathhelp.com/images/lessons/triangle306090-3.gif
Thank you!
Cos 30, cos 60, sin30, sin60 ... these should all be easy to find from that picture. If you need cos 45 or sin45, use this: http://www.biology.arizona.edu/biomath/tutorials/trigonometric/graphics/trig_45_45_90.gif

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