Write the Complex Number in Rectangular Form $3 \left( \cos 9 ^ { \circ } + i \sin 9 ^ { \circ } \right)$

question 380

Multiple Choice

Write the complex number in rectangular form.
- $3 \left( \cos 9 ^ { \circ } + i \sin 9 ^ { \circ } \right)$

• A) \(1.7 + 0.3 \mathrm { i }\)
• B) \(3 + 0.5 i\)
• C) \(- 1.7 - 0.3 \mathrm { i }\)
• D) \(0.5 + 3 \mathrm { i }\)

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