Notes D Polar Complex numbers and DeMoivre's Thm
Recall: complex numbers are of the form
a + b
i
where
a
and b are real numbers
and
i = √− 1
Graphing Complex Numbers:
Plot each point in the complex plane:
A)
z = 2 + 3
i
B)
z = 3 − 5
−
i
C) z = − 4
D) z = − i
Plot each point in the complex plane:
A)
z = 3 + 4
i
B)
z = 1 − 2
−
i
C)
z = 3
−
D)
z = 4
− i