Find Roots of Complex Numbers in Polar Form
-The Complex $100 \left( \cos 210 ^ { \circ } + i \sin 210 ^ { \circ } \right)$

question 111

Multiple Choice

Find Roots of Complex Numbers in Polar Form
-The complex square roots of $100 \left( \cos 210 ^ { \circ } + i \sin 210 ^ { \circ } \right)$ (polar form)

• A) \(10 \left( \cos 105 ^ { \circ } + i \sin 105 ^ { \circ } \right) , 10 \left( \cos 285 ^ { \circ } + i \sin 285 ^ { \circ } \right)\)
• B) \(10 \left( \cos 210 ^ { \circ } + i \sin 210 ^ { \circ } \right) , 10 \left( \cos 195 ^ { \circ } + i \sin 195 ^ { \circ } \right)\)
• C) \(10 \left( \cos 105 ^ { \circ } + i \sin 105 ^ { \circ } \right) , 195 \left( \cos 285 ^ { \circ } + i \sin 285 ^ { \circ } \right)\)
• D) \(10 \left( \cos 210 ^ { \circ } + i \sin 210 ^ { \circ } \right) , - 10 \left( \cos 195 ^ { \circ } + i \sin 195 ^ { \circ } \right)\)

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Definitions:

Activity-based Costing

A costing methodology that assigns overhead and indirect costs to related products and services based on the actual consumption of each activity.

Manufacturing Overhead

All indirect costs associated with the production process, including costs of materials, utilities, and maintenance that are not directly associated with the manufacturing of a specific product.

Activity-based Costing

An accounting approach that assigns costs to products or services based on the resources they consume, aiming for more accurate cost allocation.

Machining

The process of removing material from a workpiece using power-driven machine tools to shape it into a desired form.