Recent content by Eric78

  1. E

    What is the Y-coordinate of the extrema for cosh(x)+tanh(x)?

    Yes, I found x^3+x+1=0 where x=sinh(x), but there is no simple root, and I need a quite simple solution...
  2. E

    What is the Y-coordinate of the extrema for cosh(x)+tanh(x)?

    Hi, I need to find the Y-coordinate of the extrema of cosh(x)+tanh(x), Thanks!
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