Evaluate the Integral $$\int _ { 7 \pi / 6 } ^ { 7 \pi / 3 } 4 \cot \frac { t } { 7 } d t$$

question 80

Multiple Choice

Evaluate the integral.
- $$\int _ { 7 \pi / 6 } ^ { 7 \pi / 3 } 4 \cot \frac { t } { 7 } d t$$

• A) \(- 28 \ln 3\)
• B) \(14 \ln 3\)
• C) \(28 \ln 3\)
• D) \(- 14 \ln 3\)

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Definitions:

Differential Cost

The difference in total cost between two alternative decisions or scenarios.

Further Process

The subsequent operations or steps taken to enhance or complete the production of goods.

Variable Cost Concept

The variable cost concept implies costs that vary directly with the level of production or sales volume, such as materials and labor.

Markup

The amount added to the cost price of goods to cover overhead and profit when determining the selling price.