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Sinh(x) * sin(x) and sinh(x) * cos(x)

  1. Oct 22, 2008 #1
    anyone knows whats sinh(x)*sin(x)? or sinh(x)*cos(x)?

    i get sinh(x)sin(x) = 1/2[cos(x[i-1]) + cos(x[i+1])], but that doesn't help me much. any suggestions?
     
  2. jcsd
  3. Oct 22, 2008 #2
    never mind, got it!
     
  4. Oct 23, 2008 #3

    HallsofIvy

    User Avatar
    Science Advisor

    What were you trying to do?
     
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