Perform the Operation Below and Leave the Result in Trigonometric $$\frac { 4 \left( \cos 58 ^ { \circ } + i \sin 58 ^ { \circ } \right) } { 12 \left( \cos 13 ^ { \circ } + i \sin 13 ^ { \circ } \right) }$$

question 111

Multiple Choice

Perform the operation below and leave the result in trigonometric form.
$$\frac { 4 \left( \cos 58 ^ { \circ } + i \sin 58 ^ { \circ } \right) } { 12 \left( \cos 13 ^ { \circ } + i \sin 13 ^ { \circ } \right) }$$

• A) \(\frac { 1 } { 3 } \left( \cos 45 ^ { \circ } + i \sin 45 ^ { \circ } \right)\)
• B) \(- 8 \left( \cos \frac { 58 ^ { \circ } } { 13 } + i \sin \frac { 58 ^ { \circ } } { 13 } \right)\)
• C) \(16 \left( \cos 71 ^ { \circ } + i \sin 71 ^ { \circ } \right)\)
• D) \(48 \left( \cos \frac { 58 ^ { \circ } } { 13 } + i \sin \frac { 58 ^ { \circ } } { 13 } \right)\)
• E) \(\frac { 1 } { 3 } \left( \cos \frac { 58 ^ { \circ } } { 13 } + i \sin \frac { 58 ^ { \circ } } { 13 } \right)\)

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Definitions:

Required Sales

The amount of sales a company needs to achieve in order to cover all its costs and reach its break-even point.

Variable

An element or factor that is subject to change or variation, often used in financial analysis or scientific experiments.

Fixed

Refers to expenses that do not change with the level of production or sales, such as rent, salaries, and insurance premiums.

Contribution Margin

The difference between a company's sales revenue and variable costs, which contributes to covering its fixed costs and generating profit.