\documentclass{report}
\begin{document}
\begin{table}
\centering
‎\begin{tabular}{ccc}
\hline 
\hspace{1cm}Direction\hspace{1cm} & \hspace{1cm}Angle $\phi$\hspace{1cm} & \hspace{1cm}Strain $\epsilon$\hspace{1cm} \\ 
\hline 
1 & 0$^\circ$ & 0.002 \\ 

2 & 120$^\circ$ & 0.002 \\ 

3 & 240$^\circ$ & -0.001 \\ 
\hline 
\end{tabular}
\end{table} ‎
\end{document}