Write the Complex Number in Rectangular Form $3 \operatorname { cis } 240 ^ { \circ }$

question 313

Multiple Choice

Write the complex number in rectangular form.
- $3 \operatorname { cis } 240 ^ { \circ }$

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

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