Choose the One Alternative That Best Completes the Statement or Answers

question 210

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.
- $\sin ( 4 \theta ) \sin ( 6 \theta )$

• A) \(\sin ^ { 2 } \left( 24 \theta ^ { 2 } \right)\)
• B) \(\frac { 1 } { 2 } [ - \cos ( 2 \theta ) - \cos ( 10 \theta ) ]\)
• C) \(\frac { 1 } { 2 } [ \cos ( 2 \theta ) - \cos ( 10 \theta ) ]\)
• D) \(\frac { 1 } { 2 } [ \cos ( 10 \theta ) - \sin ( 2 \theta ) ]\)

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Definitions:

Market Value

The current price at which an asset or service can be bought or sold in the marketplace.

Interest Rate

The percentage of an amount of money charged for its use per some period of time, often expressed as an annual percentage rate.

Redeemed

The act of exchanging something such as a coupon, voucher, or financial security for its value in goods, services, or money.

Inflation

The rate at which the general level of prices for goods and services is rising, eroding purchasing power.