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

question 74

Multiple Choice

Write the complex number in trigonometric form $$r ( \cos \theta + i \sin \theta )$$ with θ in the interval [0°, 360°) .
- $- 6$

• A) \(6 \left( \cos 270 ^ { \circ } + i \sin 270 ^ { \circ } \right)\)
• B) \(6 \left( \cos 180 ^ { \circ } + i \sin 180 ^ { \circ } \right)\)
• C) \(6 \left( \cos 0 ^ { \circ } + i \sin 0 ^ { \circ } \right)\)
• D) \(6 \left( \cos 90 ^ { \circ } + i \sin 90 ^ { \circ } \right)\)

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