Z = - 6 + 8i
|Z| = √(6^2 + 8^2) = √(36+64) = √100 = 10 - модуль
arg(Z) = arctg(-8/6) = -arctg(4/3) - аргумент
Z = - 6 + 8i
|Z| = √(6^2 + 8^2) = √(36+64) = √100 = 10 - модуль
arg(Z) = arctg(-8/6) = -arctg(4/3) - аргумент