Use the Trigonometric Substitution U = a Csc $\theta$ , Where 0

question 4

Multiple Choice

Use the trigonometric substitution u = a csc $\theta$ , where 0 < $\theta$ < $\pi$ /2 and a > 0 to simplify the expression $\sqrt { u ^ { 2 } - a ^ { 2 } }$ .

• A)a tan\(\theta \)
• B)- a cot \(\theta \)
• C)a csc \(\theta \)
• D)a cos \(\theta \)
• E)a cot \(\theta \)

---

Definitions:

Departmental Overhead Rates

Refers to the allocation of indirect costs to specific departments within a company, which is used for cost control and pricing decisions.

Machine Hours

A measure of production activity; the total hours that machines are operating in a manufacturing process.

Direct Labor Hours

The total hours worked by employees directly involved in the manufacturing process of a product.

Departmental Overhead Rates

The overhead costs charged to specific departments based on their respective activities or consumption of resources.