Write the Complex Number in the Form a + Bi $$\frac { 5 } { 2 } \left( \cos 150 ^ { \circ } + i \sin 150 ^ { \circ } \right)$$

question 254

Multiple Choice

Write the complex number in the form a + bi.
- $$\frac { 5 } { 2 } \left( \cos 150 ^ { \circ } + i \sin 150 ^ { \circ } \right)$$

• A) \(- \frac { 5 \sqrt { 3 } } { 4 } + \frac { 5 } { 2 } \mathrm { i }\)
• B) \(- \frac { \sqrt { 3 } } { 4 } + \frac { 1 } { 4 } \mathrm { i }\)
• C) \(- \frac { 5 \sqrt { 3 } } { 4 } + \frac { 5 } { 4 } i\)
• D) \(- \frac { \sqrt { 3 } } { 4 } + \frac { 1 } { 2 } i\)

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