Additional Concepts
- $$x ^ { 3 } = - 27 i$$

question 87

Multiple Choice

Additional Concepts
- $$x ^ { 3 } = - 27 i$$

• A) \(3 \left( \cos 90 ^ { \circ } + i \sin 90 ^ { \circ } \right) , 3 \left( \cos 210 ^ { \circ } + i \sin 210 ^ { \circ } \right) , 3 \left( \cos 330 ^ { \circ } + i \sin 330 ^ { \circ } \right)\)
• B) \(3 \left( \cos 210 ^ { \circ } + i \sin 210 ^ { \circ } \right) , 3 \left( \cos 270 ^ { \circ } + i \sin 270 ^ { \circ } \right) , 3 \left( \cos 330 ^ { \circ } + i \sin 330 ^ { \circ } \right)\)
• C) \(3 \left( \cos 30 ^ { \circ } + i \sin 30 ^ { \circ } \right) , 3 \left( \cos 60 ^ { \circ } + i \sin 60 ^ { \circ } \right) , 3 \left( \cos 90 ^ { \circ } + i \sin 90 ^ { \circ } \right)\)
• D) \(3 \left( \cos 90 ^ { \circ } + i \sin 90 ^ { \circ } \right) , 3 \left( \cos 180 ^ { \circ } + i \sin 180 ^ { \circ } \right) , 3 \left( \cos 270 ^ { \circ } + i \sin 270 ^ { \circ } \right)\)