Use the Half-Angle Formulas to Find the Exact Value of the Trigonometric

question 4

Multiple Choice

Use the Half-angle Formulas to find the exact value of the trigonometric function.
- $\cos 75 ^ { \circ }$

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

---

Definitions:

Fair Presentation

An accounting principle that ensures financial statements are accurate, complete, and in adherence with applicable standards, providing a true representation of an entity's financial performance and position.

SEC Filings

Documentation companies are required to submit to the U.S. Securities and Exchange Commission (SEC), providing a comprehensive overview of a company's performance, financial condition, and management.

Press Releases

Official statements issued to the media to announce something of interest in a public manner, often used by companies to communicate with stakeholders.

Shareholders' Meetings

Formal gatherings of a company's shareholders to discuss and vote on corporate matters, review financial performances, and make decisions impacting the company.