Commit 5ff0c243 authored by Claude Meny's avatar Claude Meny

Update cheatsheet.fr.md

parent bba98bcd
Pipeline #15732 canceled with stage
......@@ -1035,17 +1035,17 @@ dans le plan de l'interface.
Figure ci-dessous fausse !!! A refaire.
![](refraction-relation-2_L1200.jpg)
_ figure éronée à refaire_
_ figure erronée à refaire_
* Exprimons cette longueur de référence commune dans chaque milieu :
<br>
**$`\large{\boldsymbol{\mathbf{\Lambda = \dfrac{sin\,\theta_1}{\lambda_1}}}}\quad`$**
et *$`\quad\large{\boldsymbol{\mathbf{\Lambda = \dfrac{sin\,\theta_2}{\lambda_2}}}}`$*.
**$`\large{\boldsymbol{\mathbf{\Lambda = \dfrac{\lambda_1}{sin\,\theta_1}}}}\quad`$**
et *$`\quad\large{\boldsymbol{\mathbf{\Lambda = \dfrac{\lambda_2}{sin\,\theta_2}}}}`$*.
<br>
$`\left.\begin{align}
&\Lambda = \dfrac{sin\,\theta_1}{\lambda_1}\\
&\Lambda = \dfrac{sin\,\theta_2}{\lambda_2}
\end(align)\right.`$
&\Lambda = \dfrac{\lambda_1}{sin\,\theta_1}\\
&\Lambda = \dfrac{\lambda_2}{sin\,\theta_2}
\end{align}\right\}\Longrightarrow\;\dfrac{sin\,\theta_1}{\mathscr{v}_1\,T}=\dfrac{sin\,\theta_2}{\mathscr{v}_2\,T}`$
......
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