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Path: ...!weretis.net!feeder8.news.weretis.net!news.imp.ch!news.alphanet.ch!alphanet.ch!.POSTED!not-for-mail From: robby <me@plan.net.ivalid> Newsgroups: fr.sci.maths Subject: Re: Equation trigo Date: Sat, 27 Aug 2022 11:33:06 +0200 Organization: Posted through news.alphanet.ch Message-ID: <tecock$n5l$1@shakotay.alphanet.ch> References: <6309b6ae$0$22049$426a74cc@news.free.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sat, 27 Aug 2022 09:33:08 -0000 (UTC) Injection-Info: shakotay.alphanet.ch; posting-account="fabrice.neyret"; logging-data="23733"; mail-complaints-to="usenet@alphanet.ch"; posting-host="4d92b70998dc1ad0a7cbafaeee20071a.nnrp.alphanet.ch" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Cancel-Lock: sha256:k09Zlm+7/dihi+WiTH4BKAnJzWlplNWdpsHUDR33dfU= Content-Language: fr In-Reply-To: <6309b6ae$0$22049$426a74cc@news.free.fr> Bytes: 1399 Lines: 10 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