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10 questions from this quiz
cosθ + i sinθ
-1
Replace x by ix
e^{i(α+β)}
Rotate by θ radians
(cosθ + i sinθ)^n = cos nθ + i sin nθ
(e^{iθ}-e^{-iθ})/(2i)
r^n e^{inθ}
Rotates the point by θ radians
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