Polar Form Of Complex Numbers Worksheet With Answer Key - Openstax College Page 6
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25OpenStax-CNX module: m49408
6
try it feature:
Exercise 6
(Solution on p. 18.)
z = 1
7i,
z .
Given
nd
3 Writing Complex Numbers in Polar Form
polar form of a complex number
θ
The
expresses a number in terms of an angle
and its distance from the
rectangular form
r.
z = x + yi,
origin
Given a complex number in
expressed as
we use the same conversion
formulas as we do to write the number in trigonometric form:
x = rcos θ
(4)
y = rsin θ
2
2
r =
x
+ y
We review these relationships in Figure 5.
Figure 5
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