Express the complex number -2i in the form R(cos(0) + i sin(0)) = Re where R> 0 and 0 ≤ 0 ≤ 2. NOTE: Enter the exact answer. -2i = 2 cos -π (+ sin (7)) 2 X

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter7: Real And Complex Numbers
Section7.3: De Moivre’s Theorem And Roots Of Complex Numbers
Problem 26E
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Express the complex number -2; in the form
R(cos(0) + i sin(0)) = Re where R> 0 and 0 ≤ 0 ≤ 2TT.
NOTE: Enter the exact answer.
-π
-2i
b = 2 con ( =* i sin (1))
2
X
Transcribed Image Text:Express the complex number -2; in the form R(cos(0) + i sin(0)) = Re where R> 0 and 0 ≤ 0 ≤ 2TT. NOTE: Enter the exact answer. -π -2i b = 2 con ( =* i sin (1)) 2 X
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