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Advanced Mathematics 3207 (delisted)
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Unit 05
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Set 02 ILO 03
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Investigation 4
Investigation 4: Converting Between Rectangular Form and Polar Form
Converting a complex number written in rectangular form,
a
+
bi,
to polar form:
Write the complex number as a rectangular coordinate (
a
,
b
).
Follow the same procedure for converting rectangular coordinates to polar coordinates: find
r
using
and find
using the tangent ratio.
Express the polar form as
r
cos
+
r i
sin
or
r
cis
.
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