Divide the Complex Numbers Below and Leave the Result in Trigonometric

question 92

Multiple Choice

Divide the complex numbers below and leave the result in trigonometric form. $$\frac { 5 \left( \cos 100 ^ { \circ } + i \sin 100 ^ { \circ } \right) } { 9 \left( \cos 120 ^ { \circ } + i \sin 120 ^ { \circ } \right) }$$ ​

• A) \(\frac { 5 } { 9 } \left( \cos 220 ^ { \circ } + i \sin 220 ^ { \circ } \right)\)
• B)​ \(\frac { 5 } { 9 } \left( \cos 340 ^ { \circ } + i \sin 340 ^ { \circ } \right)\)
• C)​ \(45 \left( \cos 220 ^ { \circ } + i \sin 220 ^ { \circ } \right)\)
• D)​ \(\frac { 5 } { 9 } \left( \cos 340 ^ { \circ } + i \sin 220 ^ { \circ } \right)\)
• E)​ \(45 \left( \cos 340 ^ { \circ } + i \sin 340 ^ { \circ } \right)\)

Apply knowledge of tax rates and thresholds to compute exact tax liabilities.

Understand the impact of previous wages on current quarter tax liabilities for FUTA and SUTA.

Understand the concept of transactions (deposits and withdrawals) affecting cash balances in check registers.

Calculate adjusted cash balances in check registers after transactions.

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Definitions:

Mean

The average of a set of numbers, calculated by adding all the numbers together and dividing by the count of the numbers.

Sample Data

A subset of data selected from a larger population, used for statistical analysis.

Geometric Mean

The nth root of the product of n numbers, used to calculate average rates of return or growth over time.

Closing Stock Price

The final price at which a stock is traded during a trading session on a stock exchange.