/*
    Illustrate the use of Math.PI and Math.sin
 */

import java.awt.*;
import java.applet.*;

public class sine extends Applet {

    public void paint( Graphics g )
    {
        double sine, radians;

        // display x axis
        g.drawLine(0, 150, 360, 150);

        for (int i = 0; i <= 360; i += 4)
        {
            radians = i * 2 * Math.PI / 360;
            sine = Math.sin(radians);
            g.fillOval(i, (int) (sine*100) + 150, 1, 1);
        }
    }
}