Write the Complex Number in Trigonometric Form $$r ( \cos \theta + i \sin \theta )$$

question 433

Multiple Choice

Write the complex number in trigonometric form $$r ( \cos \theta + i \sin \theta )$$ with θ in the interval [0°, 360°) .
- $8 \sqrt { 3 } + 8 \mathrm { i }$

• A) \(16 \left( \cos 300 ^ { \circ } + i \sin 300 ^ { \circ } \right)\)
• B) \(16 \left( \cos 30 ^ { \circ } + i \sin 30 ^ { \circ } \right)\)
• C) \(16 \left( \cos 60 ^ { \circ } + i \sin 60 ^ { \circ } \right)\)
• D) \(16 \left( \cos 330 ^ { \circ } + i \sin 330 ^ { \circ } \right)\)

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