Question

Find the indicated power using De Moivre's Theorem.
(1 − i)^7

Answer 1

you could write 1-i in polar form

Answer 2

do you know how ?

Answer 3

..no

Answer 4

you know hot to plot 1-i in rectangular coordinate system ?

Answer 5

im kind of new to this topic

Answer 6

do you know how to plot (1,-1) ?

Answer 7

You plotted (1,-1) in first algebra class right?

Answer 8

oh yes

Answer 9

we use y axis as the imaginary axis and the x axis as the real axis

Answer 10

err I don't know why I wanted to make this so small