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From: robby <me@plan.net.ivalid>
Newsgroups: fr.sci.maths
Subject: Re: Equation trigo
Date: Sat, 27 Aug 2022 11:33:06 +0200
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Le 27/08/2022 à 08:16, kurtz le pirate a écrit :
> Quelle méthode utiliser pour résoudre une équation où il y a l'inconnue,
> son sinus et son cosinus ?
> Du genre : a + b.x + c.cos(d.x) + e.sin(f.x) = 0

il n'y a pas de solution analytique.
résouds numériquement, par ex avec Desmos Graph
:https://www.desmos.com/calculator?lang=fr

-- 
Fabrice