Find the Exact Value of the Expression, If It Is $\tan ^ { - 1 } ( \tan ( - \pi / 4 ) )$

question 76

Essay

Find the exact value of the expression, if it is defined. $\tan ^ { - 1 } ( \tan ( - \pi / 4 ) )$

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Definitions:

Development Of Unions

The historical growth and establishment of labor unions as organizations that represent workers' interests in various industries.

Railway Labor Act

A U.S. federal law enacted in 1926 that governs labor relations in the railroad and airline industries, aiming to prevent service disruptions and facilitate dispute resolution between employers and employees.

National Labor Legislation

laws enacted by a government to regulate labor relations, worker rights, and union activities within a country.

Public Sector Unions

Labor unions that represent employees in the public sector, including workers for governmental agencies and services.