\documentclass{standalone}
\usepackage{asymptote}

\begin{document}

\begin{asy}
import graph;
size(200,0);

real f(real x) { return sin(x); }
pair F(real x) { return (x, f(x)); }

xaxis("$x$");
yaxis("$y$",-1);

draw(graph(f,0,6.5,operator ..),red);
\end{asy}

\end{document}