From a4e03a7264a8c0f570bb0e2a75ffcc5a19984dca Mon Sep 17 00:00:00 2001 From: Claude Meny Date: Tue, 18 Aug 2020 17:48:08 +0200 Subject: [PATCH] Update textbook.fr.md --- .../05.classical-mechanics/vector-analysis/textbook.fr.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/05.classical-mechanics/vector-analysis/textbook.fr.md b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/05.classical-mechanics/vector-analysis/textbook.fr.md index 412471040..117ffd5a2 100644 --- a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/05.classical-mechanics/vector-analysis/textbook.fr.md +++ b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/05.classical-mechanics/vector-analysis/textbook.fr.md @@ -414,7 +414,9 @@ $`\displaystyle\quad\forall \overrightarrow{V}\in\mathcal{P}\quad \overrightarro $`\displaystyle\quad\overrightarrow{U}\cdot\overrightarrow{V}=U_1\,V_1 + U_2\,V_2 + ... + U_n\,V_n = \sum_{i=1}^n\;U_i\,V_i`$ -##### Calcul de l’angle entre 2 vecteurs dans une base orthonormée de l'espace ($`n=3`$) +##### Cálculo del ángulo entre 2 vectores en una base ortonormal del espacio / Calcul de l’angle entre 2 vecteurs dans une base orthonormée de l'espace / Calculation of the angle between 2 vectors in an orthonormal basis + +Plano euclidiano / plan euclidien / euclidian space : $`n=3`$ : $`\left.\begin{array}{l}\overrightarrow{U}\cdot\overrightarrow{V}=||\overrightarrow{U}||\cdot||\overrightarrow{V}||\cdot cos (\widehat{\overrightarrow{U},\overrightarrow{V}}) \\