Sin

Calculate sine of angle

Declaration

Source position: mathh.inc line 111

  function Sin(d: ValReal) : ValReal;

Description

Sin returns the sine of its argument X, where X is an angle in radians. If the absolute value of the argument is larger than 2^63, then the result is undefined.

Errors

None.

See also

Name	Description
Cos	Calculate cosine of angle
Exp	Exponentiate
Ln	Calculate logarithm
Pi	Return the value of PI.

Example

Program Example62;
{ Program to demonstrate the Sin function. }
begin
  Writeln (Sin(Pi):0:1);   { Prints 0.0 }
  Writeln (Sin(Pi/2):0:1); { Prints 1.0 }
end.