Write the Complex Number in Rectangular Form $4 \left( \cos 15 ^ { \circ } + i \sin 15 ^ { \circ } \right)$

question 83

Multiple Choice

Write the complex number in rectangular form.
- $4 \left( \cos 15 ^ { \circ } + i \sin 15 ^ { \circ } \right)$

• A) \(3.9 + 1 \mathrm { i }\)
• B) \(1.9 + 0.5 \mathrm { i }\)
• C) \(- 1.9 - 0.5 \mathrm { i }\)
• D) \(1 + 3.9 \mathrm { i }\)

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