Use a Calculator to Find the Approximate Value of the Expression

question 74

Multiple Choice

Use a calculator to find the approximate value of the expression rounded to two decimal places.
- $\cos 72 ^ { \circ }$

• A) \(0.36\)
• B) \(- 0.92\)
• C) \(- 0.97\)
• D) \(0.31\)

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Definitions:

Water Skater Groups

Groups of insects that belong to the Gerridae family, characterized by their ability to skate or walk on the surface of water due to surface tension.

Grouping Benefit

Advantages derived from an organism's affiliation or association with a group, such as increased protection or enhanced foraging efficiency.

Altruistic Allele

Refers to genes that promote behavior benefiting other individuals at the cost to the individual carrying the gene.

Hamilton's Rule

A principle in evolutionary biology that predicts when natural selection favors the spread of a gene for altruistic behavior, based on relatedness and the cost and benefit of the behavior.