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soh cah toa, basic trig. cos 43 = 500/AB AB = 500/cos 43 approx = 683.6637 feet
|dw:1333067352819:dw| B) 500 cosec 43 degrees C) 500 sec 43 degrees
You can do this yourself...
so A ?
Do you know what cot, sec, and csc mean?
What about cotangent, secant, and cosecant.
i've heard of them but i don't really know what the meaning..
But you know what sine, cosine, and tangent (sin, cos, and tan) mean, right?
no not really .
What math are you taking?
it's somewhere in my text book but i don't understand it .
i'm taking 10th grade geometry .
So you don't know how to use trig functions (sin, cos, tan, etc...)? I can link you to some good videos if you want.
Please do :) I need all the help I can get !!
My finals are coming up at the end of next month !
http://www.khanacademy.org/math/trigonometry/v/basic-trigonometry Start there and click "next video" for as long as you need to. This is the very beginning of the trigonometry playlist, and this guy explains things really well. You can go to the main site to see a bunch of other vids on a ton of other topics (there's geometry in there too). I think after watching the first one you'll remember what your teacher said in class, so: cosecant x = csc x = 1/sin x secant x = sec x = 1/cos x cotangent x = cot x = 1/tan x I dunno when he introduces those ideas. Very simple though when you know what sine, cosine, and tangent are though. Good luck on your final!
thank you so much :)
cos 43 = 500/AB AB = 500/ [cos 43] -----> which is equivalent to C) 500 sec 43 degrees --> Answer AB = 683.664