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MaryJSmith Group Title

Andy is parasailing and is at point A of the towline AB. The point B of the towline is connected to a boat, as shown. What is the length, in feet, of the towline AB?

  • 2 years ago
  • 2 years ago

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  1. MaryJSmith Group Title
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  2. bluepig148 Group Title
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    soh cah toa, basic trig. cos 43 = 500/AB AB = 500/cos 43 approx = 683.6637 feet

    • 2 years ago
  3. MaryJSmith Group Title
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    |dw:1333067352819:dw| B) 500 cosec 43 degrees C) 500 sec 43 degrees

    • 2 years ago
  4. bluepig148 Group Title
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    You can do this yourself...

    • 2 years ago
  5. MaryJSmith Group Title
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    so A ?

    • 2 years ago
  6. bluepig148 Group Title
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    Do you know what cot, sec, and csc mean?

    • 2 years ago
  7. MaryJSmith Group Title
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    no

    • 2 years ago
  8. bluepig148 Group Title
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    What about cotangent, secant, and cosecant.

    • 2 years ago
  9. MaryJSmith Group Title
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    i've heard of them but i don't really know what the meaning..

    • 2 years ago
  10. bluepig148 Group Title
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    But you know what sine, cosine, and tangent (sin, cos, and tan) mean, right?

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  11. MaryJSmith Group Title
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    no not really .

    • 2 years ago
  12. bluepig148 Group Title
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    What math are you taking?

    • 2 years ago
  13. MaryJSmith Group Title
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    it's somewhere in my text book but i don't understand it .

    • 2 years ago
  14. MaryJSmith Group Title
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    i'm taking 10th grade geometry .

    • 2 years ago
  15. bluepig148 Group Title
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    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.

    • 2 years ago
  16. MaryJSmith Group Title
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    Please do :) I need all the help I can get !!

    • 2 years ago
  17. MaryJSmith Group Title
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    My finals are coming up at the end of next month !

    • 2 years ago
  18. bluepig148 Group Title
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    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!

    • 2 years ago
  19. MaryJSmith Group Title
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    thank you so much :)

    • 2 years ago
  20. bluepig148 Group Title
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    No problem.

    • 2 years ago
  21. Directrix Group Title
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    cos 43 = 500/AB AB = 500/ [cos 43] -----> which is equivalent to C) 500 sec 43 degrees --> Answer AB = 683.664

    • 2 years ago
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