4.7 How to include image in landscape mode?

\documentclass[11pt]{article}% 
\usepackage{graphicx} 
\usepackage{rotating} 
\begin{document} 
 
\begin{sidewaysfigure}[!htbp] 
\includegraphics[width=1\textwidth]{image} 
\end{sidewaysfigure} 
 
\end{document}