Use a Calculator to Find the Value of the Expression $\cos ^ { - 1 } ( 0.3 )$

question 310

Multiple Choice

Use a calculator to find the value of the expression rounded to two decimal places.
- $\cos ^ { - 1 } ( 0.3 )$

• A) \(0.30\)
• B) \(72.54\)
• C) \(1.27\)
• D) \(17.46\)

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Definitions:

Incremental Theorist

An Incremental Theorist believes that personal qualities, such as intelligence and ability, can be developed over time through effort and perseverance.

Entity Theorist

An individual who believes that personal qualities such as intelligence or talent are fixed traits and not significantly changeable over time.

Immediate Success

The rapid achievement of a goal or attainment of positive results shortly after efforts are made.

Prosocial Manner

Behaving in a way that is positive, helpful, and intended to promote social acceptance and friendship.