Update cheatsheet.fr.md

12.temporary_ins/70.wave-optics/10.interferences/cheatsheet.fr.md

@@ -151,12 +151,12 @@ $`\underline{\overrightarrow{E}_{tot}}(\overrightarrow{r},t)
  $`\;=\dfrac{2\,\langle\Pi_{tot}\rangle}{\epsilon_0 \,c}`$
  ------------------>
 
- * _Ainsi, en notation complexe :_   
+ Ainsi, en notation complexe :  
 <br>
 $`I_{tot} = ||\overrightarrow{E}||^2`$
 $`=\underline{\overrightarrow{E}_{tot}}\cdot \underline{\overrightarrow{E}_{tot}^{\;*}}`$   
 
-$`= \quad\quad [A_1 \, e^{i\,\phi_1}\cdot \overrightarrow{e_1}+A_2 \, e^{i\,\phi_2}\cdot \overrightarrow{e_2}]`$
+$`\quad\quad = [A_1 \, e^{i\,\phi_1}\cdot \overrightarrow{e_1}+A_2 \, e^{i\,\phi_2}\cdot \overrightarrow{e_2}]`$
 $`\cdot [A_1 \, e^{-i\,\phi_1}\cdot \overrightarrow{e_1}+A_2 \, e^{-i\,\phi_2}\cdot \overrightarrow{e_2}]`$
 
 $`\quad\quad = A_1^2\,\overrightarrow{e_1} \cdot \overrightarrow{e_1}`$