Use a Calculator to Find the Approximate Value of the Expression

question 166

Multiple Choice

Use a calculator to find the approximate value of the expression rounded to two decimal places.
- $$\cos \frac { 3 \pi } { 7 }$$

• A) 0.22
• B) 1.05
• C) 1.00
• D) 0.27

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Definitions:

Crisis

To Erikson, the turning point faced at each developmental stage.

Cognitive Needs

Innate needs to know and to understand.

Innate Needs

Fundamental, inborn requirements essential for basic functioning and well-being.

Cognitive Needs

Basic desires and psychological requirements that drive an individual's thinking, problem-solving, and intellectual growth.