Use DeMoivre\'s theorem to find the two square roots of the following number in

Question

Use DeMoivre's theorem to find the two square roots of the following number in polar form. 16(cos 120 degree + j sin 120 degree) What are the two square roots of 16(cos 120 degree + j sin 120 degree)? (Simplify your answer. Use integers or decimals for any numbers in the expression. Type your answer in degrees. Express complex numbers in terms of j. Use a comma to separate answers as needed. Do not include the degree symbol in your answer.)

Explanation / Answer

r=sqrt16=4 for first root=theta=120/2=60==>4(cos60+isin60) for second root=theta=60+180=240==>4(cos240+isin240)

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