Find the Exact Value of Each Expression, If It Is $\sin ^ { - 1 } ( - 2 )$

question 19

Essay

Find the exact value of each expression, if it is defined.
(a)
$\sin ^ { - 1 } ( - 2 )$ ( b)
$\cos ^ { - 1 } ( - \sqrt { 3 } )$
(c)
$\tan ^ { - 1 } ( - 1 )$

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Definitions:

Incidental Motions

Procedural motions in parliamentary procedure that address incidental questions of procedure arising out of other motions or business.

Subsidiary Motions

Motions used in meetings to modify, delay, or affect how a main motion is handled but do not relate to the content of the main motion itself.

Ad Hoc Committees

Temporary groups formed for a specific task or objective, and dissolved after the completion of that task or achievement of that objective.

Organizational Decision Making

The process by which choices are made within an organization, typically involving several departments or stakeholders.