Find the Exact Value of the Expression, If It Is $\tan \left( \cos ^ { - 1 } ( \sqrt { 2 } / 2 ) \right)$

question 84

Essay

Find the exact value of the expression, if it is defined. $\tan \left( \cos ^ { - 1 } ( \sqrt { 2 } / 2 ) \right)$

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Definitions:

Abstract Goal

A goal that is not concrete or specific, often related to ideas or concepts rather than tangible outcomes.

Growth

The process of increasing in size, maturity, or strength; also refers to personal development or improvement in skills and knowledge.

Security

The condition of being protected against physical or psychological harm or other types of danger; can also refer to measures taken to ensure this state.

Evolution

The concept that different species are descended from common ancestors but have evolved over time, acquiring different genetic characteristics as a function of different environmental demands.