#1
Hi I am having a terrible time understanding trigonometry, I have a good teacher but she cannot explain this subject well.

Anyways; how do I find the area of this triange? Something like SinB = H/X?



I have no idea. Please help.
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#4
a/sinA=b/sinB=c/sinC
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#5
Quote by Froboarder
a/sinA=b/sinB=c/sinC



Yea, find all the sides using this, then...

s=subperimeter (half the perimeter)

square root of (s(s-a)(s-b)(s-c)) and there it is
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#6
lol
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#8
triangle = 180 so 76+53= 129 i believe so the missing angle is 51 degrees the
i could help you if it was more closely related to the unit circle we're covering basic trig in math analysis so i could do that and bas Sin CoS Tan Cot Sec and CoS if i had another meausrement, put it on a graph you can usually find the other lengths if you put it on a graph from (0,0) i don't know how but our teacher did it with on angle he had a line and he drew a line down to the x axis to get the opposite, then you subtract that from the hypotenuse to get the adjacent. then you have everything for sin and whatnot
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Last edited by F8iscruel at Jan 26, 2009,
#9
umm this reminds me of that demotivational picture with the
"Find X"
"Here it is!"
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#10
Use sin law to find the base. Then draw an imaginary line (the height) perpendicular to the base, running through the opposite corner, and find its length using right angle trig. Then find the area as (Base*Height)/2
#13
Measure it, and tell the teacher that there was no disclaimer anywhere saying that the triangle wasn't to scale. I won so many times like that. Then I got disclaimers on all my tests throughout highschool. =(
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Quote by angus fan16
Long story short, a whale flew out of the ocean, landed next to me and shot like a wall of water straight into my face.
#14
Alright I understand it now, thanks.
Mods can close it now.
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#15
Quote by Rickjames730
Alright I understand it now, thanks.
Mods can close it now.

just delete the first post of the thread, thus deleting the thread from all existence
Quote by haha
every time I see your username I press F8 out of curiosity then I have to give myself a big ol' facepalm


Quote by ouch
What the hell? F8 doesn't do anything interesting This toy is lame


Quote by TheReverend724
I can have a beer later, I need to level Charmeleon NOW!
#16
Quote by F8iscruel
just delete the first post of the thread, thus deleting the thread from all existence

What the hell? F8 doesn't do anything interesting. This toy is lame.
I'm that dude with the fro.
Quote by angus fan16
Long story short, a whale flew out of the ocean, landed next to me and shot like a wall of water straight into my face.
#17
Quote by Froboarder
What the hell? F8 doesn't do anything interesting. This toy is lame.

omg im sigging that
Quote by haha
every time I see your username I press F8 out of curiosity then I have to give myself a big ol' facepalm


Quote by ouch
What the hell? F8 doesn't do anything interesting This toy is lame


Quote by TheReverend724
I can have a beer later, I need to level Charmeleon NOW!