Commit 5eefc622 authored by Claude Meny's avatar Claude Meny

Update cheatsheet.fr.md

parent 69f17828
Pipeline #22342 canceled with stage
......@@ -1072,14 +1072,14 @@ qui vérifient pour tout $`\theta`$ :
$`cos^2(\theta) = [cos(\theta)]^2`$ et $`sin^2(\theta) = [sin(\theta)]^2`$,
<br>
Ainsi dans ton *écriture réduite* remplace
*$`(c\,\theta)^2 = c^2\,\theta`$ et $`(s\,\theta)^2 = s^2\,\theta`$*.
*$`(c\,\theta)^2 = c^2\,\theta\quad`$* et *$`(\quad s\,\theta)^2 = s^2\,\theta`$*.
<br>
Tu obtiens ainsi :
<br>
$`A^2=\;\;A_1^2\,c^2\,\arphi_1^0 +A_2^2\,c^2\,\arphi_2^0\,)^2`$
$`\hspace{1.4cm} + 2\,A_1\,A_2\,c\,\arphi_1^0\,c\,\arphi_2^0`$
$`\hspace{1.2cm} +A_1^2\,s^2\,\arphi_1^0 +A_2^2\,s^2\,\arphi_2^0\,)^2`$
$`\hspace{1.4cm}+ 2\,A_1\,A_2\,s\,\arphi_1^0\,s\,\arphi_2^0`$
$`A^2=\;\;A_1^2\,c^2\,\varphi_1^0 +A_2^2\,c^2\,\varphi_2^0\,)^2`$
$`\hspace{1.6cm} + 2\,A_1\,A_2\,c\,\varphi_1^0\,c\,\varphi_2^0`$
$`\hspace{1cm} +A_1^2\,s^2\,\varphi_1^0 +A_2^2\,s^2\,\varphi_2^0\,)^2`$
$`\hspace{1.6cm}+ 2\,A_1\,A_2\,s\,\varphi_1^0\,s\,\varphi_2^0`$
<br>
$`\hspace{1.2cm} = A_1^2\,(\,c^2\,\varphi_1^0 +s^2\,\arphi_1^0)
+ A_2^2\,(\,c^2\,\varphi_2^0 +s^2\,\arphi_2^0)`$
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment