Find the Value Of $\cos \left( \cos ^ { - 1 } \left( - \frac { 3 } { 4 } \right) \right)$

question 38

Essay

Find the value of $\cos \left( \cos ^ { - 1 } \left( - \frac { 3 } { 4 } \right) \right)$ if it is defined.

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Definitions:

Bananas

A type of fruit that is elongated and curved, with soft flesh rich in starch and covered with a rind, which may be green, yellow, red, purple, or brown when ripe.

Comparative Advantage

The ability of an individual, company, or country to produce a good or service at a lower opportunity cost than competitors.

Specialization

The practice of focusing on a narrow area of work or study to gain efficiency or expertise.

Trade

The act of buying, selling, or exchanging goods and services between people or entities within or across borders.