From d2cf752820a4550150c148e71c865e7aced21846 Mon Sep 17 00:00:00 2001
From: Claude Meny <claude.meny@irap.omp.eu>
Date: Wed, 23 Jun 2021 14:08:26 +0200
Subject: [PATCH] Update
 00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/30.n3/10.brainstorming/01.p1/textbook.fr.md

---
 .../10.math-tools/30.n3/10.brainstorming/01.p1/textbook.fr.md   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/30.n3/10.brainstorming/01.p1/textbook.fr.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/30.n3/10.brainstorming/01.p1/textbook.fr.md
index c6494da49..a227880a1 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/30.n3/10.brainstorming/01.p1/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/30.n3/10.brainstorming/01.p1/textbook.fr.md
@@ -55,7 +55,7 @@ Les *outils mathématiques de niveaux 1 et 2* **$`+`$** :
   **$`\sin\theta=\dfrac{e^{\,i\theta}-e^{\,-i\theta}}{2i}`$**
   <br>    
   et fonctions hyperboliques    
-  **$`\cosh(x)=\dfrac{e^x-+e^{\,- x}}{2}`$**   
+  **$`\cosh(x)=\dfrac{e^x+e^{\,- x}}{2}`$**   
   **$`\sinh(x)=\dfrac{e^x-e^{\,- x}}{2}`$**
 
 * **$`e^0=1 \quad , \quad`$**