lenadénine Posted March 23 Share Posted March 23 Salut, dans le QCM3 j’aimerais savoir pourquoi la À est compté juste ? https://www.zupimages.net/viewer.php?id=22/01/tksz.jpg Quote Link to comment Share on other sites More sharing options...
Solution Jonathan Posted March 23 Solution Share Posted March 23 par définition une base cylindrique est une base orthonormée directe car on choisit uϕ(uθ dans le dessin) = uz ^ uρ (dans le QCM 3 θ est noté ϕ et est égal à π, ρ = 2, et le point A est dans le plan Oxy car Az = 0) lenadénine 1 Quote Link to comment Share on other sites More sharing options...
lenadénine Posted March 24 Author Share Posted March 24 OK merci beaucoup !! Quote Link to comment Share on other sites More sharing options...
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