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OpenStudy (lina777):
HELP ASAP! Will fan and medal! When squaring a complex number using De Moivre's theorem, there is only one answer. TRUE or FALSE?
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OpenStudy (pphalke):
its true
OpenStudy (lina777):
Why is that? @pphalke
OpenStudy (lina777):
@imqwerty or @sleepyjess Can you guys please explain why?
OpenStudy (math&ing001):
(cos(x)+i*sin(x))^2 = cos(2x)+i*sin(2x) No other answer..
OpenStudy (lina777):
@math&ing001 So it's true then?
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OpenStudy (math&ing001):
Yes
OpenStudy (lina777):
Great thanks for your help!
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