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Inverse trig.

  1. Sep 21, 2013 #1
    1. The problem statement, all variables and given/known data


    How would I find the exact value of sin^-1 (-9) in degrees. I have no idea how to do this.
     
  2. jcsd
  3. Sep 21, 2013 #2

    Dick

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    There's no such value. sin^(-1) only takes arguments between -1 and 1.
     
  4. Sep 21, 2013 #3
    This is a question in my university webwork, so I dont know if they'd give a question that wouldn't have an answer.
     
    Last edited: Sep 21, 2013
  5. Sep 21, 2013 #4

    Dick

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    There must be some mistake then. I'd speak to the authorities. sin^(-1) does mean arcsin, yes?
     
    Last edited: Sep 21, 2013
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