#Théorèmes de convergence ponctuelle #Théorème de Jordan-Dirichlet #Théorèmes de convergence en moyenne de Cesàro #Théorème de Féjer #Corollaire (théorème de Weierstrass)
#Exercice #Rappel cos(nπ)=(-1)^n et sin(nπ)=0 #Source: Méthode Maths
#Exercice #Source: Méthode Maths
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