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    Sin

    Calculate sine of angle.

    Declaration

    Source position: mathh.inc line 125

    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.
    Pi Return the value of PI.
    Exp Exponentiate.
    Ln Calculate logarithm.

    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.