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  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -

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Topic review (newest first)

John E. Franklin
2006-01-22 02:47:30

--Hyperbolic Arcsin
Is arcsinh(x) = ln(x+sqrt(x*x+1.0)) ?
Found this on Euphoria programming forum.

Also found these:
     Hyperbolic Arctan(x)
     ln((1.0+x)/(1.0-x))/2.0

  arccosh(x)
  ln(x+sqrt(x*x-1.0))

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