Evaluate the Integral $$\int _ { \pi / 3 } ^ { \pi / 2 } \sqrt { 1 + \cos x } d x$$

question 15

Multiple Choice

Evaluate the integral.
- $$\int _ { \pi / 3 } ^ { \pi / 2 } \sqrt { 1 + \cos x } d x$$

• A) 1
• B) \(2 - \sqrt { 2 }\)
• C) \(2 + \sqrt { 2 }\)
• D) 2

---

Definitions:

Cost of Goods Sold

Financial obligations directly related to producing a company’s saleable goods, encompassing material and labor costs.

Periodic Inventory System

A method of inventory valuation where updates to inventory levels and cost of goods sold are made periodically at the end of an accounting period, rather than after each sale or purchase.

LIFO Method

An inventory valuation method that assumes the last items placed in inventory are the first sold during an accounting year.

Cost of Goods Sold

The direct costs attributable to the production of the goods sold by a company, including materials, labor, and overhead.