Choose the One Alternative That Best Completes the Statement or Answers

question 288

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
Express the product as a sum containing only sines or cosines.
- $2 \cos ( 7 \theta ) \cos \theta$

• A) \(\cos ( 10 \theta ) + \sin ( 4 \theta )\)
• B) \(\cos ( 14 \theta ) + \cos ( 2 \theta )\)
• C) \(\cos ( 8 \theta ) + \cos ( 6 \theta )\)
• D) \(\cos ( 8 \theta ) + \sin ( 6 \theta )\)

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Definitions:

Marital Roles

The specific ways that married people define their behavior and structure their time.

Wife's Higher Income

A situation where a wife earns more money than her husband.

General Explanations

Broad, overarching reasons or rationales that provide understanding or clarification for phenomena, behaviors, or events.

Economic Roles

The functions and positions individuals and groups occupy in the economic system, affecting how they produce, distribute, and consume goods and services.