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Trig Question

Discussion in 'DAT Discussions' started by ATLATLATL, Apr 16, 2007.

  1. ATLATLATL

    ATLATLATL 2+ Year Member

    113
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    Jan 9, 2007
    4 csc^2 - 1 = 0 for all values 0<theta<360
    i don't get it! :(
    i looked at the explanation but i want a decent breakdown por favor..
     
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  3. dentstd

    dentstd Fena Gonzales 2+ Year Member

    1,669
    14
    Oct 14, 2006
    4*csc^2(a)= 1

    csc^2(a) = 1/4

    csc(a) = +/- 1/2

    then ask yourself, for what values of "a" is csc(a) = +/- 1/2
    (or think in terms of sine, if that helps)
     
  4. BodybldgDoc

    BodybldgDoc Guest

    712
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    Jan 13, 2007
    In your closet
    yeah thats right. It was on the topscore 1 test.
     
  5. ATLATLATL

    ATLATLATL 2+ Year Member

    113
    0
    Jan 9, 2007
    thanks so much
     
  6. 997GT3

    997GT3 There is no substitute. 10+ Year Member

    371
    3
    Jul 28, 2006
    I think there's something wrong with the question.
     
  7. Streetwolf

    Streetwolf Ultra Senior Member Dentist 7+ Year Member

    1,801
    5
    Oct 25, 2006
    NJ
    csc is 1/sin so you're saying sin(x) = 2. That's impossible... sin oscillates between -1 and 1.
     
  8. nhasigioi

    nhasigioi Nha Sĩ Giỏi 2+ Year Member

    30
    0
    Apr 9, 2007
    Sài Gòn
    Someone has brain:thumbup:
     
  9. ATLATLATL

    ATLATLATL 2+ Year Member

    113
    0
    Jan 9, 2007
    hmmm it was a question on topscore test 1....but the answer was something like {equal} i guess that means not possible...
     

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