Express the Sum or Difference as a Product of Sines $$\cos \frac { 5 \theta } { 2 } + \cos \frac { 3 \theta } { 2 }$$

question 161

Multiple Choice

Express the sum or difference as a product of sines and/or cosines.
- $$\cos \frac { 5 \theta } { 2 } + \cos \frac { 3 \theta } { 2 }$$

• A) \(2 \sin ( 2 \theta ) \sin \theta\)
• B) \(2 \cos ( 2 \theta ) \cos \frac { \theta } { 2 }\)
• C) \(2 \sin ( 2 \theta ) \sin \frac { \theta } { 2 }\)
• D) \(2 \cos ( 2 \theta )\)

---

Definitions:

Critique Media

The practice of analyzing and evaluating media content to understand its impact, biases, and intentions.

Internet

A global network of interconnected computers that enables users to share information and communicate over long distances.

Traditional Broadcast Model

A communications framework where content is transmitted from a single point to many recipients, typically via radio or television.

Internet Environment

The context or setting provided by the internet, including all its resources, interactions, and norms.