Avec `\rotatebox` :
\documentclass[border=1mm]{standalone}
\usepackage{graphicx}
\begin{document}
\rotatebox{15}{\fbox{\includegraphics[width = 10 cm]{example-image-duck}}}
\end{document}
---
Ou avec l'extension `adjustbox` :
\documentclass[border=1mm]{standalone}
\usepackage{adjustbox}
\usepackage[export]{adjustbox}
\usepackage{xcolor}
\begin{document}
\adjustimage{width=10cm,fbox,rotate=15}{example-image-duck}%
\includegraphics[width=10cm,fbox,rotate=15]{example-image-duck}%
\end{document}
![alt text][1]
[1]: https://texnique.fr/osqa/upfiles/document_M0GlmFQ.png
