Commit 71dce31b authored by Claude Meny's avatar Claude Meny

Update cheatsheet.fr.md

parent 9158edcf
Pipeline #15810 failed with stage
......@@ -873,7 +873,7 @@ $`\quad\boldsymbol{\mathbf{=\color{brown}{2\,A\cdot cos\Big(\dfrac{\varphi_1-\va
$`\cdot\Big(\,e^{\,i\big(\frac{\varphi1 + \varphi2}{2}\;+\;\frac{\varphi1-\varphi2}{2}\big)}`$
$`\,+\,e^{\,i\;\big(\frac{\varphi1 + \varphi2}{2}\;-\;\frac{\varphi1-\varphi2}{2}\big)}\Big)`$
<br>
$`\color{blue}{\scriptsize{\quad \text{utilisons } exp\,(a+b)\;=\; exp\,(a)\;+\; exp\,(b)}}`$
$`\color{blue}{\scriptsize{\quad \text{utilisons } exp\,(a+b)\;=\; exp\,(a)\;\times\; exp\,(b)}}`$
$`\color{blue}{\scriptsize{\quad\text{et regroupons encore les termes communs.}}}`$
<br>
$`\quad = A\;e^{\,i\,(\omega t\,-\, kx)}\,e^{\,i\,\left(\frac{\varphi1 + \varphi2}{2}\right)}`$
......
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