Solve the Equation (X in Radians and in Degrees) for All

question 41

Multiple Choice

Solve the equation (x in radians and in degrees) for all exact solutions where appropriate. Round approximate answers
in radians to four decimal places and approximate answers in degrees to the nearest tenth.
- $$\cos ^ { 2 } x + 2 \cos x = - 1$$

• A) \(\{ \pi + 2 n \pi \}\)
• B) \(\{ 2 n \pi \}\)
• C) \(\left\{ \frac { \pi } { 2 } + n \pi , 2 n \pi \right\}\)
• D) \(\{ n \pi \}\)

---

Definitions:

Operating Lease

is a rental agreement allowing a lessee to use an asset temporarily without ownership, typically with terms significantly shorter than the asset's life.

Operating Cash Flows

The cash generated from the normal operating activities of a business, reflecting its ability to generate positive cash flow to maintain and grow its operations.

GAAP

Generally Accepted Accounting Principles, a collection of commonly-followed accounting rules and standards for financial reporting in the United States.

Operating Activities

Operating activities relate to the primary revenue-generating activities of a business, influencing its net income and cash flows from operations.