Use the Fact That the Trigonometric Functions Are Periodic to Find

question 235

Multiple Choice

Use the fact that the trigonometric functions are periodic to find the exact value of the expression. Do not use a calculator.
- $$\cos \frac { 16 \pi } { 3 }$$

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

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Definitions:

Halo Effect

The rating of an individual on one trait or characteristic tends to colour ratings on other traits or characteristics.

Stereotype

A fixed, oversimplified, and often inaccurate assumption or generalization about a particular group of people or thing.

Recency Effect

The tendency to remember and give greater importance to the most recent information or experiences when making decisions or judgments.

Dispositional Factors

Internal attributes, traits, or personality characteristics that influence an individual's behavior and attitudes.