purproduitdusud Posted March 20, 2022 Posted March 20, 2022 je ne comprends pas pourquoi la 1 A elle est juste ? est ce que quelqu'un aurait fait la demo ? Quote
Insolence Posted March 20, 2022 Posted March 20, 2022 Coucou ! sin (2A) = sin (A+A) = sin(A)cos(A) + sin(A)cos(A) =2sin(A)cos(A) 0.5 * sin (2A) = 0.5 * 2sin(A)cos(A) 0.5 * sin (2A) = sin(A)cos(A) Quote
purproduitdusud Posted March 20, 2022 Author Posted March 20, 2022 il y a 44 minutes, Insolence a dit : Coucou ! sin (2A) = sin (A+A) = sin(A)cos(A) + sin(A)cos(A) =2sin(A)cos(A) 0.5 * sin (2A) = 0.5 * 2sin(A)cos(A) 0.5 * sin (2A) = sin(A)cos(A) parfait merci !!! Insolence 1 Quote
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