Solve the Problem $x , 0 \leq x \leq 2 \pi$

question 34

Multiple Choice

Solve the problem.
-For what numbers $x , 0 \leq x \leq 2 \pi$ , does $\cos x = 1$ ?

• A) \(0,2 \pi\)
• B) \(\frac { \pi } { 2 }\)
• C) \(\frac { \pi } { 2 } , \frac { 3 \pi } { 2 }\)
• D) none

---

Definitions:

Monopoly Power

The ability of a single seller or company to control the market for a particular good or service, leading to limited competition.

Perfect Competitor

A theoretical market structure where many firms sell identical products, there are no barriers to entry or exit, buyers have perfect information, and firms are price takers.

Long Run

A period in economics where all factors of production and costs are variable, allowing for full industry adjustment to changes.

Perfect Competitor

A theoretical market structure where many firms offer a standardized product, there is free entry and exit, and all buyers and sellers have perfect information, leading to price being equal to marginal cost.