Additional Concepts
- $$x ^ { 7 } - 1 = 0$$

question 27

Multiple Choice

Additional Concepts
- $$x ^ { 7 } - 1 = 0$$

• A) \(1 , \cos \left( 51.4 ^ { \circ } \right) + i \sin \left( 51.4 ^ { \circ } \right) , \cos \left( 102.9 ^ { \circ } \right) + i \sin \left( 102.9 ^ { \circ } \right) , \cos \left( 154.3 ^ { \circ } \right) + i \sin \left( 154.3 ^ { \circ } \right) , \cos \left( 205.7 ^ { \circ } \right) + i\) \(\sin \left( 205.7 ^ { \circ } \right) , \cos \left( 257.1 ^ { \circ } \right) + i \sin \left( 257.1 ^ { \circ } \right) , \cos \left( 308.6 ^ { \circ } \right) + i \sin \left( 308.6 ^ { \circ } \right)\)
• B) \(1 , \cos \left( 25.7 ^ { \circ } \right) + i \sin \left( 25.7 ^ { \circ } \right) , \cos \left( 51.4 ^ { \circ } \right) + i \sin \left( 51.4 ^ { \circ } \right) , \cos \left( 77.1 ^ { \circ } \right) + i \sin \left( 77.1 ^ { \circ } \right) , \cos \left( 102.9 ^ { \circ } \right) + i \sin \left( 102.9 ^ { \circ } \right)\), \(\cos \left( 128.6 ^ { \circ } \right) + i \sin \left( 128.6 ^ { \circ } \right) , \cos \left( 154.3 ^ { \circ } \right) + i \sin \left( 154.3 ^ { \circ } \right)\)
• C) \(1 , \cos \left( 51.4 ^ { \circ } \right) + i \sin \left( 51.4 ^ { \circ } \right) , \cos \left( 102.9 ^ { \circ } \right) + i \sin \left( 102.9 ^ { \circ } \right) , \cos \left( 154.3 ^ { \circ } \right) + i \sin \left( 154.3 ^ { \circ } \right) , \cos \left( 205.7 ^ { \circ } \right) + i\) \(\sin \left( 205.7 ^ { \circ } \right) , \cos \left( 257.1 ^ { \circ } \right) + i \sin \left( 257.1 ^ { \circ } \right) , \cos \left( 308.6 ^ { \circ } \right) + i \sin \left( 308.6 ^ { \circ } \right) , - 1\)
• D) \(- 1 , \cos \left( 25.7 ^ { \circ } \right) + i \sin \left( 25.7 ^ { \circ } \right) , \cos \left( 51.4 ^ { \circ } \right) + i \sin \left( 51.4 ^ { \circ } \right) , \cos \left( 77.1 ^ { \circ } \right) + i \sin \left( 77.1 ^ { \circ } \right) , \cos \left( 102.9 ^ { \circ } \right) + i \sin \left( 102.9 ^ { \circ } \right)\), \(\cos \left( 128.6 ^ { \circ } \right) + i \sin \left( 128.6 ^ { \circ } \right) , \cos \left( 154.3 ^ { \circ } \right) + i \sin \left( 154.3 ^ { \circ } \right)\)

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Definitions:

Reciprocity

In business, reciprocity refers to the mutual exchange of goods, services, or favors, where both parties stand to benefit from the transaction.

Competitive Intelligence

The practice of gathering, analyzing, and using information about competitors, market trends, and the external business environment for strategic planning.

Core Principles

Fundamental beliefs or guidelines that form the foundation for a system, process, or strategy, often defining its purpose and direction.

Cooling-Off Law

A regulatory measure that allows consumers a specified period of time after a purchase to cancel a transaction without penalty, typically applied to door-to-door sales and other direct sales practices.