Commit 002d539e authored by Claude Meny's avatar Claude Meny

Update textbook.fr.md

parent 40513422
Pipeline #13658 failed with stage
......@@ -32,8 +32,8 @@ $`\overrightarrow{E}_{\perp}=`$$`\underbrace{-2\,E_0\,\sin(k\; y\, \cos\theta)}_
$`\overrightarrow{B}_{\perp}=`$
$`\left(\begin{array}{l}
0\\
-\dfrac{2\,E_0}{c}\sin\theta \cdot \sin\,(k\; y \, \cos\theta)\cdot \sin\,(k\,\sin\theta\,z -\omega t)\\
-\dfrac{2\,E_0}{c}\cos\,\theta \cdot\cos\,(k\; y \, \cos\,\theta)\cdot\cos\,(k\,\sin\theta\,z -\omega t)
-\dfrac{2\,E_0}{c}\sin\theta \cdot \sin\,(k\; y \, \cos\theta)\cdot \sin\,(k\; z\,\sin\theta -\omega t)\\
-\dfrac{2\,E_0}{c}\cos\theta \cdot\cos\,(k\; y \, \cos\theta)\cdot\cos\,(k\; z\,\sin\theta -\omega t)
\end{array}\right)`$
<br>
......@@ -43,13 +43,12 @@ $`\left(\begin{array}{l}
$`\overrightarrow{E}_{\parallel}=`$
$`\left(\begin{array}{l}
0\\
2\,E_0\,\sin\theta \,\cos\,(k\cdot y \cdot \cos\theta)\,\cos\,(k\,\sin\theta\;z -\omega t)\\
-2\,E_0\,\cos\theta \,\sin\,(k\cdot y \cdot \cos\theta)\,\sin\,(k\,\sin\theta\;z -\omega t)
2\,E_0\,\sin\theta \cdot\cos\,(k\;y \, \cos\theta)\cdot\cos\,(k\;z\,\sin\theta -\omega t)\\
-2\,E_0\,\cos\theta \cdot\sin\,(k\; y \, \cos\theta)\cdot\sin\,(k\;z\,\sin\theta -\omega t)
\end{array}\right)`$
$`\overrightarrow{B}_{\parallel}=\underbrace{-2\,E_0\,\sin(k\cdot y\cdot \cos\,\theta)}_{\large{amplitude}}
\times \sin\big(\underbrace{k\,\sin\,\theta}_{\large{wavevector}} z-\omega t\big)\overrightarrow{e_z}`$
$`\overrightarrow{B}_{\parallel}=-2\,E_0\,\sin\,(k\; y\, \cos\theta)
\times \sin\big(k\;z\,\sin\,\theta -\omega t\big)\overrightarrow{e_z}`$
......
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