Use a Calculator to Find the Value of the Expression $$\cos ^ { - 1 } \left( - \frac { \sqrt { 3 } } { 3 } \right)$$

question 251

Multiple Choice

Use a calculator to find the value of the expression rounded to two decimal places.
- $$\cos ^ { - 1 } \left( - \frac { \sqrt { 3 } } { 3 } \right)$$

• A) \(- 0.62\)
• B) \(125.26\)
• C) \(2.19\)
• D) \(- 35.26\)

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Definitions:

Milgram Experiment

A psychological experiment conducted by Stanley Milgram in the 1960s to study obedience to authority, where participants were instructed to administer electric shocks to another person.

Stanford University Prison Experiment

A psychological study conducted by Philip Zimbardo in 1971 at Stanford University, where students were assigned roles of prisoners and guards to explore the effects of perceived power.

Generalization

Drawing a conclusion about a certain characteristic of a population based on a sample from it.

Logical Support

The provision of reasons or evidence to justify a claim or argument.