Commit 9c3e9ca5 authored by Claude Meny's avatar Claude Meny

Update cheatsheet.fr.md

parent c1bbf26c
Pipeline #15606 canceled with stage
......@@ -55,9 +55,9 @@ $`\newcommand{\ddpt}[1]{\overset{\large\bullet\bullet}{#1}}`$
* Son amplitude est :
$`\begin{align} A_{onde/;résult.} &= \left| \,2\,A\cdot cos\Big(\dfrac{\varphi_1 - \varphi_2}{2} \Big) \,\right|\\
$`\begin{align} A_{onde résult.} &= \left| \,2\,A\cdot cos\Big(\dfrac{\varphi_1 - \varphi_2}{2} \Big) \,\right|\\
&\\
&=
&=\sqrt{2\,A\cdot cos\Big(\dfrac{\varphi_1 - \varphi_2}{2}\Big)\,cos\Big(\dfrac{\varphi_1 - \varphi_2}{2}\Big)}
\end{align}`$
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