Solve the Problem $y = \cos 2 x , 0 \leq x \leq \frac { \pi } { 4 }$

question 121

Multiple Choice

Solve the problem.
-Estimate the area of the surface generated by revolving the curve $y = \cos 2 x , 0 \leq x \leq \frac { \pi } { 4 }$ about the $x$ -axis. Use the Trapezoidal Rule with $n = 6$ .

• A) 4.652
• B) 5.108
• C) 7.091
• D) 4.606

---

Definitions:

Incentives

Motivational tools or rewards designed to encourage specific behavior or actions from individuals or groups.

Centre-Of-Gravity Method

A mathematical technique used for finding the best location for a single distribution point that services several stores or areas.

Centralized Facility

describes a single location where operations or decision-making processes are concentrated, often to leverage efficiency or control.

Distribution Centre

A specialized facility that is responsible for receiving, storing, and distributing products to retailers or customers.