From bcfe785c7060246e4993e5ab8ac5ee49728c58f8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?F=C3=A9lix=20MARQUET?= Date: Mon, 2 Dec 2024 18:46:11 +0100 Subject: [PATCH] Obisidian vault auto-backup: 02-12-2024 18:46:11 on constellation. 1 files edited --- ISEN/Maths/CIPA3/Fiche de révision DS1.md | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/ISEN/Maths/CIPA3/Fiche de révision DS1.md b/ISEN/Maths/CIPA3/Fiche de révision DS1.md index 82f1f8f..00bc8d9 100644 --- a/ISEN/Maths/CIPA3/Fiche de révision DS1.md +++ b/ISEN/Maths/CIPA3/Fiche de révision DS1.md @@ -20,11 +20,14 @@ title: Fiche de révision DS1 de maths # 2. Identités trigonométrique: -| $\cos(a+b) = \cos(a)\cos(b) - \sin(a)\sin(b)$ | -| :-------------------------------------------: | -| $\sin(a+b) = \sin(a)\cos(b) + \sin(b)\cos(a)$ | -| $\cos(a-b) = \cos(a)\cos(b) + \sin(a)\sin(b)$ | -| $\sin(a-b) = \sin(a)\cos(b) - \sin(b)\cos(a)$ | +| $\cos(a+b) = \cos(a)\cos(b) - \sin(a)\sin(b)$ | +| :------------------------------------------------------: | +| $\sin(a+b) = \sin(a)\cos(b) + \sin(b)\cos(a)$ | +| $\cos(a-b) = \cos(a)\cos(b) + \sin(a)\sin(b)$ | +| $\sin(a-b) = \sin(a)\cos(b) - \sin(b)\cos(a)$ | +| $\cos(a)\sin(b) = \frac{1}{2} [\sin(a+b) + \sin(a - b)]$ | +| $\cos(a)\cos(b) = \frac{1}{2}[\cos(a+b) + \cos(a-b)]$ | +| $\sin(a)\sin(b) = \frac{1}{2}[\cos(a-b)-\cos(a+b)]$ | # 3. Rappel mathématique