Commit 19e31b66 authored by Claude Meny's avatar Claude Meny

Update cheatsheet.fr.md

parent f1966abc
Pipeline #15591 canceled with stage
...@@ -79,7 +79,7 @@ $`\begin{align} \quad &=A\;\big[\,cos(\underbrace{kx - \omega t}_{\text{ posons ...@@ -79,7 +79,7 @@ $`\begin{align} \quad &=A\;\big[\,cos(\underbrace{kx - \omega t}_{\text{ posons
&=2\,A\cdot cos(\alpha ')\,cos\Big(\dfrac{\varphi_1-\varphi_2}{2}\Big) &=2\,A\cdot cos(\alpha ')\,cos\Big(\dfrac{\varphi_1-\varphi_2}{2}\Big)
\end{align}`$ \end{align}`$
<br> <br>
$`\quad=\color{blue}{\underbrace{2\,A\cdot cos\Big(\dfrac{\varphi_1-\varphi_2}{2}\Big)}_{\color{blue}{\text{amplitude de l'onde résultante}}}} \cdot cos\Big(\underbrace{kx - \omega t + \dfrac{\varphi_1+\varphi_2}{2}}_{\text{pulsation }\omega\text{ inchangée}}\Big)`$** $`\quad=\color{blue}{\underbrace{\color{brown}{2\,A\cdot cos\Big(\dfrac{\varphi_1-\varphi_2}{2}\Big)}}_{\text{amplitude de l'onde résultante}}} \color{brown}{\cdot cos\Big(}\color{blue}{\underbrace{\color{brown}{kx - \omega t + \dfrac{\varphi_1+\varphi_2}{2}}}_{\text{pulsation }\omega\text{ inchangée}}}\color{brown}{\Big)}`$**
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