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:

Impressment

The act of forcibly taking men into a military or naval service without notice, often associated with British practices during the 18th and early 19th centuries.

Jefferson Davis

An American politician who served as the President of the Confederate States of America during the American Civil War.

Attacking Forces

Military units assigned to offensive operations against enemy positions or territories.

Civil War

A conflict between groups within the same country or state, often characterized by intense violence and lasting social and economic impact.