Funcion seno

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg40alErQ3ZAFhCuhXCJebyblUeP8ht9MNFTrMoVhMrEDYnOAIbvpXytiSlreLkrNbCntjnnIkzV-ZgQ0CJUVQDXqga5PK_yGT6WjyW6qDlXT7m3rDDHCs5naSr-OVLQ_CO0Y-FII8x0yA/s1600-h/seno.JPG

package funcionseno;

import java.applet.Applet;
import java.awt.*;
public class FuncionSeno extends Applet {
public void paint(Graphics g){
this.setSize(800, 450);
g.setColor(Color.red);
g.drawString("y = Sen (x)", 400, 60);
g.drawString("Y = f(x)",100,80);
g.drawString("-Y = f(x)",100,420);
g.drawString("0",90,252);
g.drawString("X = Rad",620,250);
g.drawString("π/2",180,265);
g.drawString("π",290,245);
g.drawString("3π/2",360,265);
g.drawString("2π",450,245);
g.setColor(Color.BLACK);
g.drawLine(100, 100, 100, 400);
g.drawLine(100, 250, 600, 250);
g.setColor(Color.GREEN);
for(int i=0;i<360; i=i+2){
g.fillOval( 100 + i,(int) (245 - 100*(Math.sin(i*3.141516/180))),7,7);
}
g.setColor(Color.BLUE);
//g.drawLine(100, 60, 200, 60);
for(int i=0; i<7; i++){
g.drawLine((i*15)+100, 145,(i*15)+110,145);
}
for(int i=0; i<19; i++){
g.drawLine((i*15)+100, 350,(i*15)+110,350);
}
for(int i=0; i<7; i++){
g.drawLine(370,(i*15)+250,370,(i*15)+260);
}
for(int i=0; i<7; i++){
g.drawLine(195,(i*16)+145,195,(i*16)+155);
}
g.setColor(Color.GRAY);
g.drawString("1", 90, 148);
g.drawString("-1", 85, 353);

}
}