| Description |
The RadToDeg function is a mathematical function converting the Radians value into Degrees.
PI radians = 180 degrees
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| Example code : Use to display the result of an ArcSin calculation in degrees |
// Full Unit code.
// -----------------------------------------------------------
// You must store this code in a unit called Unit1 with a form
// called Form1 that has an OnCreate event called FormCreate.
unit Unit1;
interface
uses
Math, // Unit containing the RadToDeg command
SysUtils,
Forms, Dialogs;
type
TForm1 = class(TForm)
procedure FormCreate(Sender: TObject);
end;
var
Form1: TForm1;
implementation
{$R *.dfm} // Include form definitions
procedure TForm1.FormCreate(Sender: TObject);
var
float : single;
begin
// The ArcSin of 0.5 should give 30 degrees
float := ArcSin(0.5);
float := RadToDeg(float); // Convert result to degrees
ShowMessage('ArcSin of 0.5 = '+FloatToStr(float)+' degrees');
end;
end.
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| Hide full unit code |
ArcSin of 0.5 = 30 degrees
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