Reference for package '#rtl'

Cotan

Return cotangent

Declaration

Source position: math.pp line 337

  function Cotan(x: Float) : Float;

Description

Cotan returns the cotangent of it's argument x. The argument x must be in radians. x should be different from zero.

Errors

If x is zero then a overflow error will occur.

See also

Name Description
tanh Return hyperbolic tangent

Example

Program Example9;
{ Program to demonstrate the cotan function. }
Uses math;
begin
  writeln(cotan(pi/2));
  Writeln(cotan(pi/3));
  Writeln(cotan(pi/4));
end.