Write the Complex Number in the Form a + Bi $3 \left( \cos 60 ^ { \circ } + i \sin 60 ^ { \circ } \right)$

question 18

Multiple Choice

Write the complex number in the form a + bi.
- $3 \left( \cos 60 ^ { \circ } + i \sin 60 ^ { \circ } \right)$

• A) \(\sqrt { 3 } + i\)
• B) \(\frac { \sqrt { 3 } } { 2 } + \frac { 3 \sqrt { 3 } } { 2 } \mathrm { i }\)
• C) \(\frac { 3 } { 2 } + \frac { 3 \sqrt { 3 } } { 2 } \mathrm { i }\)
• D) \(\frac { \sqrt { 3 } } { 6 } + \frac { \sqrt { 3 } } { 6 } \mathrm { i }\)

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