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Angle between tangent and foci. (Involve vector calculus)

  1. Dec 3, 2011 #1
    1. The problem statement, all variables and given/known data
    See the photo on the left


    2. Relevant equations



    3. The attempt at a solution
    [​IMG]
     

    Attached Files:

  2. jcsd
  3. Dec 4, 2011 #2

    HallsofIvy

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    You must show some work of your own or this thread will be deleted.
     
  4. Dec 4, 2011 #3
    In fact, I type my work on the computer, the photo I have shown is already my work.
    That is not solution, that is my attempt to solution. So it may be wrong.
     
    Last edited: Dec 4, 2011
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