Use an Identity to Write the Expression as a Single $$2 \cos ^ { 2 } 75 ^ { \circ } - 1$$

question 292

Multiple Choice

Use an identity to write the expression as a single trigonometric function or as a single number.
- $$2 \cos ^ { 2 } 75 ^ { \circ } - 1$$

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

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Definitions:

Turnover Rates

The rate at which employees leave a company within a certain period, which can be an indicator of job satisfaction and organizational health.

Validity of Data

Pertains to the accuracy and credibility of data or information, ensuring it is sourced and interpreted correctly for decision-making.

Compensation Levels

Refers to the tiers or categories of payment provided to employees, often based on their role, experience, and performance, within an organization.

Wage Gap

The difference in average earnings between different groups of workers, often highlighted between genders, races, or socioeconomic statuses.