Unit 'System' Package
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Sin

Calculate sine of angle.

Declaration

Source position: mathh.inc line 128

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

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 (ini):0:1);   { Prints 0.0 }
  Writeln (ini/2):0:1); { Prints 1.0 }
end.

Documentation generated on: Oct 02 2024