Polar Form Of Complex Numbers Worksheet With Answer Key - Openstax College Page 8
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25OpenStax-CNX module: m49408
8
Figure 6
try it feature:
Exercise 8
(Solution on p. 18.)
z = 3i
r
θ
Express
as
cis
in polar form.
Example 5
Finding the Polar Form of a Complex Number
4 + 4i.
Find the polar form of
Solution
r.
First, nd the value of
2
2
r =
x
+ y
2
2
r =
( 4)
+ (4
)
(9)
r =
32
r = 4 2
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