Find All Cube Roots of the Complex Number $- 125 \mathrm { i }$

question 383

Multiple Choice

Find all cube roots of the complex number. Leave answers in trigonometric form.
- $- 125 \mathrm { i }$

• A) \(5 \operatorname { cis } ^ { \circ } 210,5 \operatorname { cis } 270 ^ { \circ } , 5 \operatorname { cis } 330 ^ { \circ }\)
• B) \(5 \operatorname { cis } 30 ^ { \circ } , 5 \operatorname { cis } ^ { \circ } 60,5 \operatorname { cis } 90 ^ { \circ }\)
• C) \(5 \operatorname { cis } 90 ^ { \circ } , 5 \operatorname { cis } ^ { \circ } 180,5 \operatorname { cis } 270 ^ { \circ }\)
• D) \(5 \operatorname { cis } 90 ^ { \circ } , 5 \operatorname { cis } ^ { \circ } 210,5 \operatorname { cis } 330 ^ { \circ }\)

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Departmental Overhead Rate

The rate at which indirect costs are allocated to products or services based on department-specific activities.

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The total hours worked by employees that can be directly attributed to the production of goods or services.

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