Find the Exact Solution of the Equation $\cos ^ { - 1 } x = 0$

question 256

Multiple Choice

Find the exact solution of the equation.
- $\cos ^ { - 1 } x = 0$

• A) \(x = - 1\)
• B) \(x = \pi\)
• C) \(x = 1\)
• D) \(x = 0\)

---

Definitions:

Preferred Stock

A class of ownership in a corporation that has a higher claim on assets and earnings than common stock, usually with dividends that are paid out before those to common stockholders.

Basic Earnings Per Share

A calculation that shows a company's profitability per share of stock by dividing net income by the weighted average number of common shares outstanding.

Weighted Average

Weighted average is a calculation that takes into account the varying degrees of importance of the numbers in a data set, used in accounting for inventory cost.

Accounting Estimates

Approximations made in financial accounting to assign values to transactions or events that cannot be measured precisely, often due to uncertainty or future conditions.