Find the Exact Value $\cos \frac { 20 \pi } { 3 }$

question 44

Multiple Choice

Find the exact value. Do not use a calculator.
- $\cos \frac { 20 \pi } { 3 }$

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

---

Definitions:

Stigma

A mark of disgrace associated with a particular circumstance, quality, or person, often resulting in discrimination or social rejection.

Discrediting

The process of undermining the credibility or reputation of a person or concept.

Sexual Promiscuity

Engaging in sexual activities with multiple partners without necessarily seeking a committed relationship.

AIDS Crisis

The global epidemic primarily marked by the spread of HIV/AIDS, having significant medical, social, and political implications, particularly highlighted in the 1980s and 1990s.