Pascal Lainé 1 NOMBRES COMPLEXES Exercice 1
Page 9. Pascal Lainé. 9. = 1 + cos( ) + cos(2 ) + ?+ ... 280 ? 120?5 = 0. 5(10 + 2?5). 2. ? 10(10 + 2?5)(1 ... Correction exercice 9 : 1 = (1 + )(1 ...
Page 9. Pascal Lainé. 9. = 1 + cos( ) + cos(2 ) + ?+ ... 280 ? 120?5 = 0. 5(10 + 2?5). 2. ? 10(10 + 2?5)(1 ... Correction exercice 9 : 1 = (1 + )(1 ...