Evaluate the Following Expression $$2 \cos ^ { 2 } \beta + 2 \cos ^ { 2 } \left( \frac { \pi } { 2 } - \beta \right)$$

question 45

Multiple Choice

Evaluate the following expression.? $$2 \cos ^ { 2 } \beta + 2 \cos ^ { 2 } \left( \frac { \pi } { 2 } - \beta \right)$$ ?

• A)3
• B)- 2
• C)2
• D)-3
• E)0

---

Definitions:

Proportion of Employees

The ratio or percentage of a particular group of employees within a larger population or organization.

Participation

Involvement or engagement in an activity, process, or event by contributing effort, opinions, or resources.

Ancient Greeks

A civilization belonging to a period of Greek history that lasted from the Archaic period of the 8th century BC to the end of antiquity.

Night Sky

the appearance of the sky during the night, characterized by visible celestial bodies such as stars, planets, and the moon.