\documentclass{article}

\usepackage{tikz}

\begin{document}

\begin{tikzpicture} [x={(-0.353cm,-0.353cm)}, z={(0cm,1cm)},y={(1cm,0cm)}] 
	\draw[->] (0,0,0) -- (1,0,0) node[below left]{$\vec{i}$};
	\draw[->] (0,0,0) -- (0,1,0) node[right]{$\vec{j}$};
	\draw[->] (0,0,0) -- (0,0,1) node[above]{$\vec{k}$};
\end{tikzpicture}

\end{document}
