Represent the Complex Number Graphically, and Find the Trigonometric Form $5 \sqrt { 2 } \left( \cos \frac { 7 \pi } { 4 } + i \sin \frac { 7 \pi } { 4 } \right)$

question 275

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) \(\sqrt { 2 } \left( \cos \frac { \pi } { 4 } + i \sin \frac { \pi } { 4 } \right)\)

Interpret the effects of activity variances on revenue forecasts.

Understand how budgeting processes are utilized in clinics and service companies.

Comprehend the concept of activity variance in financial management.

Identify the difference between favorable and unfavorable variances.

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Definitions:

Depreciation

The accounting method of allocating the cost of a physical or tangible asset over its useful life, reflecting the asset's consumption, wear and tear, or obsolescence.

EBIT

A financial metric that calculates a company's profit by including all costs except for interest and income tax expenses, known as Earnings Before Interest and Taxes.

Free Cash Flow

The amount of cash a company generates after accounting for capital expenditures needed for operations. It is an important measure of financial performance and liquidity.

Capital Expenditures

Long-term investments made by a company in buildings, equipment, or other assets to improve or maintain its business operations.