Commit 2c39e110 authored by Claude Meny's avatar Claude Meny

Update cheatsheet.fr.md

parent 78ef0477
Pipeline #15624 canceled with stage
......@@ -63,8 +63,8 @@ $`\newcommand{\ddpt}[1]{\overset{\large\bullet\bullet}{#1}}`$
$`\color{blue}{\scriptsize{\left.\begin{align} \quad\quad &cos(a+b)=cos(a)cos(b)-sin(a)sin(b)\\
&cos(a-b)=cos(a)cos(b)+-sin(a)sin(b)\end{align}
\right\}\Longrightarrow\\
\quad\quad cos^2(a)=cos(a)cos(a)=\frac{1}{2}[cos(a+a)+cos(a-a)]\\
\quad\quad\quad=\frac{1}{2}[1 + cos(2a)]}}`$
\quad\quad cos^2(a)=cos(a)cos(a)=\dfrac{1}{2}[cos(a+a)+cos(a-a)]\\
\quad\quad\quad\quad=\dfrac{1}{2}[1 + cos(2a)]}}`$
$`\begin{align} A_{onde} &= \left| \,2\,A\cdot cos\Big(\dfrac{\varphi_1 - \varphi_2}{2} \Big) \,\right|\\
&\\
......@@ -75,9 +75,8 @@ $`\newcommand{\ddpt}[1]{\overset{\large\bullet\bullet}{#1}}`$
&=\frac{1}{2}[1 + cos(2a)]}
}\end{align}`$
\underbrace{ {toto}
$`\quad\quad =\sqrt{2\,A^2 \cdot \big(1 + cos\,(\varphi_1 - \varphi_2)\big)`$
{
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