Simplify the Expression Algebraically $$3 \cos ( \pi - \theta ) + 3 \sin \left( \frac { \pi } { 2 } + \theta \right)$$

question 1

Multiple Choice

Simplify the expression algebraically.​ $$3 \cos ( \pi - \theta ) + 3 \sin \left( \frac { \pi } { 2 } + \theta \right)$$ ​

• A) \(3 \cos ( \theta ) - 3 \sin ( \theta )\)
• B)0
• C) \(3 \cos ( \theta ) + 3 \sin ( \theta )\)
• D)1
• E)6

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Definitions:

Total Variable Cost

The sum of all variable expenses related to the production of goods or services, which change with the level of output.

Average Variable Cost

The variable cost (costs that change with production volume) divided by the quantity of output produced.

Marginal Cost

The increase or decrease in the total cost incurred by producing one additional unit of a product or service.

Total Variable Costs

The sum of expenses that vary directly with the level of output production.