Choose the One Alternative That Best Completes the Statement or Answers

question 277

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.
- $\cos ( 5 \theta ) \cos ( 4 \theta )$

• A) \(\frac { 1 } { 2 } [ \cos ( 9 \theta ) - \cos \theta ]\)
• B) \(\frac { 1 } { 2 } [ \cos \theta + \cos ( 9 \theta ) ]\)
• C) \(\cos ^ { 2 } \left( 20 \theta ^ { 2 } \right)\)
• D) \(\frac { 1 } { 2 } [ \cos ( 9 \theta ) - \sin \theta ]\)

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Definitions:

Fair Trade

An ethical trading approach that aims to achieve better trading conditions and promote sustainability for producers and workers in developing countries.

Global Markets

The international economic system of trade and investment, where goods, services, and capital flow across borders.

Shareholders

Individuals or entities that own shares in a corporation, giving them partial ownership and rights to dividends or profits.

Financialization

The escalating relevance of financial markets, financial reasons, financial bodies, and financial upper echelons in the functioning of the economy and its administrative institutions.