What is the De' Moivre's Theorem?
What is the De’ Moivre’s Theorem?(1) If n is any rational number, then (cos θ + i sin θ)n = cos nθ + i sin nθ. (2) If z = (cos θ1 + i sin θ1) (cos θ2 + i sin θ2) (cos θ3 + i sin θ3)………… (cos θn + i sin θn) then z = cos (θ1 + θ2 + θ3 + ……… + θn) + i sin …
