Función Seno (Paint)

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

public class FuncionSenApplet extends Applet {
public void paint(Graphics g){
g.drawString("Función seno", 199, 79);
g.drawString("y=Sen(x)",200 , 80);
g.drawLine(40, 40, 40, 450);
g.drawLine(20, 270, 450, 270);
g.setColor(Color.YELLOW);
for(int i=0;i<361; i=i+2){
g.fillOval( 38 + i,(int) (265 - 100*(Math.sin(i*3.1416/180))),6,6);}
g.setColor(Color.GREEN);
g.drawLine(40,165, 398, 165);
g.drawLine(40,370,398,370);
g.drawLine(131,165, 131, 370);
g.drawLine(221,165,221,370);
g.drawLine(311,165, 311, 370);
g.drawLine(401,165,401,370);
g.setColor(Color.BLUE);
g.drawString("-1", 30, 370);
g.drawString("0", 30,270);
g.drawString("1", 30, 165);
g.drawString("¶/2", 115, 280);
g.drawString("¶", 205,280);
g.drawString("3¶/2", 285, 280);
g.drawString("2¶", 405, 280);
g.drawLine(40,40,35,55);
g.drawLine(35,55,45,55);
g.drawLine(45,55,40,40);
g.drawLine(450,270,425,265);
g.drawLine(425,265,425,275);
g.drawLine(425,275,450,270);
g.setColor(Color.YELLOW);
g.drawString("valores X ", 460, 270);
g.drawString("valores Y ", 25, 35);
int ymax=this.getHeight();
int xmax=this.getWidth();
this.setSize(700, 700);
} }