Commit f1966abc authored by Claude Meny's avatar Claude Meny

Update cheatsheet.fr.md

parent 4d77989b
Pipeline #15590 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>
**$`\quad=\underbrace{2\,A\cdot cos\Big(\dfrac{\varphi_1-\varphi_2}{2}\Big)}_{\color{blue}{\text{amplitude de l'onde résultante}}} \cdot cos\Big(\underbrace{kx - \omega t + \dfrac{\varphi_1+\varphi_2}{2}\Big)}_{\text{pulsation }\omega\text{ inchangée}}`$** $`\quad=\color{blue}{\underbrace{2\,A\cdot cos\Big(\dfrac{\varphi_1-\varphi_2}{2}\Big)}_{\color{blue}{\text{amplitude de l'onde résultante}}}} \cdot cos\Big(\underbrace{kx - \omega t + \dfrac{\varphi_1+\varphi_2}{2}}_{\text{pulsation }\omega\text{ inchangée}}\Big)`$**
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