tanh¶

Return hyperbolic tangent.

Declaration¶

Source position: math.pp line 567

function tanh(x: Single) : Single;

function tanh(x: Double) : Double;

function tanh(x: Extended) : Extended;

Description¶

Tanh returns the hyperbolic tangent of x.

Errors¶

None.

See also¶

Name	Description
arcsin	Return inverse sine.
sincos	Return sine and cosine of argument.
arccos	Return inverse cosine.

Example¶

Program Example48;

{ Program to demonstrate the Tanh function. }

Uses math;

begin
  writeln(tanh(0));
  writeln(tanh(1));
  writeln(tanh(-1));
end.