$\cos \left( - 240 ^ { \circ } \right)$ A) $- \frac { 1 } { 2 }$

question 214

Multiple Choice

$\cos \left( - 240 ^ { \circ } \right)$

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

---

Definitions:

Purely Competitive Market

A market structure characterized by many sellers and buyers, homogeneous products, and easy entry and exit, leading to a situation where no single participant has market control.

Total Fixed Cost

The sum of all costs that remain constant regardless of the level of output or production in a business.

Total Cost

The aggregate sum of all costs, both fixed and variable, incurred in the production of goods or services.

Output

The total amount of goods or services produced by a company, industry, or economy in a given period.