\begin{cminipage}[fond3] \begin{center}$ \ln\left(\frac{\sin x}{x}\right) = -{{{1}\over{6}}x^{2} - {{1}\over{180}}x^{4}+ O(x^{5})} $\end{center} \end{cminipage} \begin{center}\includegraphics[scale=0.75]{dl10.ps}\end{center}