z3=−18∗j−26∣z3∣=182+262≈31,6228∣z∣=(182+262)1/6≈3,1623φ=arcsin(−18/182+262)≈214,695°φ1=φ/3≈71,565°φ2=φ1+120≈191,565°φ3=φ1+240≈311,565°zi=∣z∣∗(cos(φi)+jsin(φi))z1≈3,1623∗(cos(71,565°)+jsin(71,565°))z2≈3,1623∗(cos(191,565°)+jsin(191,565°))z2≈3,1623∗(cos(311,565°)+jsin(311,565°))