Write the Complex Number Shown Below in Trigonometric Form $6 \left( \cos \frac { 4 \pi } { 3 } + i \sin \frac { 4 \pi } { 3 } \right)$

question 4

Multiple Choice

Write the complex number shown below in trigonometric form.

• A) \(6 \left( \cos \frac { 4 \pi } { 3 } + i \sin \frac { 4 \pi } { 3 } \right)\)
• B) \(6 \left( \cos \frac { 2 \pi } { 3 } + i \sin \frac { 2 \pi } { 3 } \right)\)
• C) \(6 \left( \cos \frac { 5 \pi } { 3 } + i \sin \frac { 5 \pi } { 3 } \right)\)
• D) \(6 \left( \cos \frac { \pi } { 3 } + i \sin \frac { \pi } { 3 } \right)\)
• E) \(6 \left( \cos \frac { \pi } { 6 } + i \sin \frac { \pi } { 6 } \right)\)

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