Commit b051894d authored by Claude Meny's avatar Claude Meny

Update cheatsheet.fr.md

parent 1f46cf99
Pipeline #19481 canceled with stage
......@@ -20,8 +20,9 @@ visible: false
##### Expression de la divergence en coordonnées sphériques
**$`\mathbf{\boldsymbol{\begin{align}
****$`\mathbf{\boldsymbol{\begin{align}
div\,\overrightarrow{X} = &\dfrac{1}{r^2}\;\dfrac{\partial\,(r^2\,X_r}{\partial\,r}\\
& \dfrac{1}{r\,sin\,\theta}\;\dfrac{\partial\,(sin\,\theta\,X_{\theta})}{\partial\,\theta}\\
& \dfrac{1}{r\,sin\,\theta}\;\dfrac{\partial\,X_{\varphi}}{\partial\,\varphi}
\end{align}}}`$
& \quad\quad\dfrac{1}{r\,sin\,\theta}\;\dfrac{\partial\,(sin\,\theta\,X_{\theta})}{\partial\,\theta}\\
& \quad\quad\quad\quad\dfrac{1}{r\,sin\,\theta}\;\dfrac{\partial\,X_{\varphi}}{\partial\,\varphi}
\end{align}}}`$**
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