tan

Return tangent

Declaration

Source position: math.pp line 305

function tan(

x: Float

):Float;

Description

Tan returns the tangent of x. The argument x must be in radians.

Errors

If x (normalized) is pi/2 or 3pi/2 then an overflow will occur.

Example

Program Example47;

{ Program to demonstrate the Tan function. }

Uses math;

Procedure DoTan(Angle : Float);

begin
  Write('Angle : ',RadToDeg(Angle):8:6);
  Writeln(' Tangent : ',Tan(Angle):8:6);
end;

begin
  DoTan(0);
  DoTan(Pi);
  DoTan(Pi/3);
  DoTAn(Pi/4);
  DoTan(Pi/6);
end.

tanh		Return hyperbolic tangent
arcsin		Return inverse sine
sincos		Return sine and cosine of argument
arccos		Return inverse cosine

tan

Declaration

Description

Errors

See also

Example