\documentclass[a4paper]{article}

\usepackage{pgfplots}

\pgfplotsset{compat=1.3}

\usetikzlibrary{decorations.markings}

\begin{document}

%\tracingcommands=2\tracingmacros=2
  \begin{tikzpicture}[]

    \begin{axis}[axis lines=middle,
        xmin=-2,
        xmax=2,
        ymin=-2,
        ymax=2,
        xtick={-1,1},
        ytick={-1,1},
        yticklabel=\ ,% this disables the standard tick label *text* (but not the line)
        extra description/.code={
            % this generates custom y labels to implement individual
            % styles for every tick:
            \node[below left] at (axis cs:0,-1) {$-1$};
            \node[above left] at (axis cs:0,1) {$1$};
        },
        axis line style={->},
      ]%,x=1cm,y=1cm]
      \addplot[samples=100,domain=0:2*pi,
		postaction={decorate},
        decoration={markings,
                 mark=at position 0.25 with {\arrow{>}},
                 mark=at position 0.5 with {\arrow{>}},
                 mark=at position 0.75 with {\arrow{>}}}
        ]
        ({sin(deg(2*x))}, {sin(deg(x))});
    \end{axis}
  \end{tikzpicture} 

\end{document}

