Represent the Complex Number Graphically,and Find the Trigonometric Form of the Number

question 59

Multiple Choice

Represent the complex number graphically,and find the trigonometric form of the number. ​
5 - 5i
​

• A)​ \[5 \sqrt { 2 } \left( \cos \frac { 7 \pi } { 4 } + i \sin \frac { 7 \pi } { 4 } \right)\]
• B)​ \[5 \sqrt { 2 } \left( \cos \frac { 7 \pi } { 4 } + i \sin \frac { 7 \pi } { 4 } \right)\]
• C)​ \[\sqrt { 50 } \left( \cos \frac { \pi } { 4 } + \sin \frac { \pi } { 4 } \right)\]
• D)​ \[\sqrt { 50 } \left( \cos \frac { \pi } { 4 } - i \sin \frac { \pi } { 4 } \right)\]
• E)​ \[\sqrt { 2 } \left( \cos \frac { \pi } { 4 } + i \sin \frac { \pi } { 4 } \right)\]

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Definitions:

Activity-Based Costing

A pricing strategy that pinpoints various tasks within a company and allocates the expenses of each task to every product and service based on their real usage.

Idle Capacity

The condition where equipment or workspaces are not being used to their full potential, often resulting in inefficiency and lost productivity.

Resource Consumption

The usage of resources such as materials, labor, and energy in the production of goods or services.

Activity-Based Costing

A cost distribution method that assigns overhead and indirect expenses to pertinent products and services based on their activity requirements.