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Solve the Problem Find zw\frac { z } { w }

Question 55

Multiple Choice

Solve the problem. Leave your answer in polar form.
- z=6(cos3π2+isin3π2) w=12(cos5π6+isin5π6) \begin{array} { l } z = 6 \left( \cos \frac { 3 \pi } { 2 } + i \sin \frac { 3 \pi } { 2 } \right) \\w = 12 \left( \cos \frac { 5 \pi } { 6 } + i \sin \frac { 5 \pi } { 6 } \right) \end{array}
Find zw\frac { z } { w } .


A) 16(cosπ3+isinπ3) \frac { 1 } { 6 } \left( \cos \frac { \pi } { 3 } + i \sin \frac { \pi } { 3 } \right)
B) 16(cos2π3+isin2π3) \frac { 1 } { 6 } \left( \cos \frac { 2 \pi } { 3 } + i \sin \frac { 2 \pi } { 3 } \right)
C) 12(cos2π3+isin2π3) \frac { 1 } { 2 } \left( \cos \frac { 2 \pi } { 3 } + i \sin \frac { 2 \pi } { 3 } \right)
D) 12(cosπ3+isinπ3) \frac { 1 } { 2 } \left( \cos \frac { \pi } { 3 } + i \sin \frac { \pi } { 3 } \right)

Correct Answer:

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