Express the Complex Number in Polar Form $- 4$ A) $4 \left( \cos 180 ^ { \circ } + i \sin 180 ^ { \circ } \right)$

question 197

Multiple Choice

Express the complex number in polar form.
- $- 4$

• A) \(4 \left( \cos 180 ^ { \circ } + i \sin 180 ^ { \circ } \right)\)
• B) \(4 \left( \cos 270 ^ { \circ } + \mathrm { i } \sin 270 ^ { \circ } \right)\)
• C) \(4 \left( \cos 0 ^ { \circ } + i \sin 0 ^ { \circ } \right)\)
• D) \(4 \left( \cos 90 ^ { \circ } + \mathrm { i } \sin 90 ^ { \circ } \right)\)

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