/* seno5.c */

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <graphics.h>
#include <conio.h>

main()

{
 int      sc,tp,a,g;
 float    r,y,c;
 sc=0;tp=3;
 initgraph(&sc,&tp,"c:\\turboc");
 setbkcolor(1);
 g=0;
 outtextxy(10,30,"sinusoide e cosinusoide  con putpixel(x,y,n"));
 outtextxy(10,50,"x,y...coordinate.....n=assegna colore 0,1,2,3 ");
 line(10,200,600,200);
 line(10,10,10,400);
 rectangle(10,10,600,400);
 for (a=10;a<=600;a++)
  {
   r=g*3.14/60;
   y=sin(r);
   y=y*50;
   c=cos(r);
   c=c*70;
   setcolor(2);
   putpixel(a,200+y,3);
   setcolor(3);
   putpixel(a,200+c,2);
   g=g+2;
   }
 getch();
 cleardevice;
 closegraph;
 }

ritorna