Write the Complex Number in Rectangular Form $\operatorname { cis } 210$

question 217

Multiple Choice

Write the complex number in rectangular form.
- $\operatorname { cis } 210$

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

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