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Text File  |  1993-11-07  |  205b  |  5 lines
  1. * acoth                                               external
  2. acoth(x) is the inverse hyperbolic cotangent function of x. The 
  3. inverse function of coth(x). acoth(x)=atanh(1/x).
  4. See also: acoth, coth.
  5.