Solve the Equation for θ  If

question 75

Multiple Choice

Solve the equation for θ  if . Do not use a calculator.
2cos  θ + 1 = 0
​

• A)60°; 120°
• B)45°; 315°
• C)120°; 240°
• D)60°; 300°
• E)45°; 45°

---

Definitions:

Early Adulthood

A life stage typically occurring from late teens through twenties, characterized by exploration, establishment of personal and professional relationships, and self-identity formation.

Independently

Acting or occurring without reliance on others; autonomously.

Full-Time Job

Employment in which an individual works a minimum number of hours defined as full-time by their employer, typically around 40 hours per week.

Terminal Decline

The rapid decline in cognitive and physical functions close to the end of an individual's life.