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Hyperbolic sine

  1. Mar 11, 2007 #1
    I'm trying to solve a problem in E&M, and I got an equation which depends on p and q, which I can solve provided I can write [itex] sinh(\sqrt{p^2 + k^2} \pi) [/itex] as a product of a function of p, with a function of k. If I can do that, I can solve the problem, but I don't know how to do that part (or if it's even possible). Any ideas?
  2. jcsd
  3. Mar 11, 2007 #2
    I would try writing the Taylor expansion of sinh and see if that gets you anywhere. However, I don't think you can split it up like that...
  4. Mar 12, 2007 #3


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    Most likely it's a transcendental equation (since sinh is a transcendental function) that can't be solved analytically... Sad situation.
  5. Mar 12, 2007 #4

    Meir Achuz

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    I think if you look at an earlier stge of the problem, you may be able to separate there.
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