Use the Even-Odd Properties to Find the Exact Value of the Expression

question 322

Multiple Choice

Use the even-odd properties to find the exact value of the expression. Do not use a calculator.
- $\sin \left( - \frac { \pi } { 4 } \right)$

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

---

Definitions:

Firm

A business organization, such as a corporation, partnership, or sole proprietorship, that sells goods or services to make a profit.

Economic Profits

The difference between total revenue and total costs, including both explicit and implicit costs, representing the additional gain beyond the normal profit level.

Implicit Costs

The opportunity costs of using resources owned by the firm for its own production rather than earning income elsewhere.

Accounting Profits

The net income reported on the financial statements of a company, calculated as total revenues minus explicit costs and depreciation.