program sinusoida;
uses crt,graph;
var x0,y0,c,driver,mode:integer;
a,b,x,y,e,f,g,h:real;
function def:real;
var Xasp,Yasp:word;
begin
GetAspectRatio(Xasp,Yasp);
def:=Xasp/Yasp
end;
begin
ClrScr;
write(' Unesite granice intervala (a,b):');
readln(a,b);
write(' Odredite broj piksela za jedinicu u koordinatnom sistemu:');
readln(c);
write(' Unesite parametre jednacine y=AsinB(Cx+D):');
readln(e,f,g,h);
x0:=400;
y0:=300;
driver:=detect;
initgraph(driver,mode,'');
Line(0,y0,GetMaxX,y0);
Line(x0,0,x0,GetMaxY);
x:=a;
while x<=b do
begin
y:=e*sin(f*(g*x+h));
y:=y*c*def;
putpixel(x0+round(x*c),y0-round(y),15);
x:=x+1/c
end;
readln;
closegraph
end.
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