Unit 'Math' Package
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ArCosH

Return inverse hyperbolic cosine.

Declaration

Source position: math.pp line 517

function ArCosH(

  x: Float

):Float;

Description

Arcosh returns the inverse hyperbolic cosine of its argument x. The argument x should be larger than 1. The arccosh variant of this function is supplied for Delphi compatibility.

Errors

If the argument x is not in the allowed range, an EInvalidArgument exception is raised.

See also

cosh

  

Return hyperbolic cosine.

sinh

  

Return hyperbolic sine.

arcsin

  

Return inverse sine.

arsinh

  

Return inverse hyperbolic sine.

artanh

  

Return inverse hyperbolic tangent.

tanh

  

Return hyperbolic tangent.

Example

Program Example3;

{ Program to demonstrate the arcosh function. }

Uses math;

begin
  Writeln(arcosh(1));
  Writeln(arcosh(2));
end.

Documentation generated on: Oct 27 2024