Find the Exact Value of the Expression $\sin 255 ^ { \circ } \cos 15 ^ { \circ } - \cos 255 ^ { \circ } \sin 15 ^ { \circ }$

question 108

Multiple Choice

Find the exact value of the expression.
- $\sin 255 ^ { \circ } \cos 15 ^ { \circ } - \cos 255 ^ { \circ } \sin 15 ^ { \circ }$

• A) \(- \frac { \sqrt { 3 } } { 2 }\)
• B) \(- \frac { 17 } { 4 }\)
• C) \(- \frac { 1 } { 2 }\)
• D) \(\frac { \sqrt { 3 } } { 2 }\)

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Definitions:

Market Entry

The strategy or process employed by a company to start selling goods or services in a new market.

Economic Efficiency

A situation in which resources are allocated in the most beneficial way from the standpoint of society, maximizing production and minimizing waste.

Clayton Act

A U.S. antitrust law enacted in 1914, aimed at promoting competition by preventing mergers and acquisitions that could potentially reduce competition.

Market Share

The portion of a market controlled by a particular company, often expressed as a percentage of total sales in that market.