Find the Exact Value of the Expression, If Possible $\cos \left( \sin ^ { - 1 } x \right)$

question 60

Multiple Choice

Find the exact value of the expression, if possible. Do not use a calculator.
- $\cos \left( \sin ^ { - 1 } x \right)$

• A) \(\sqrt { 1 - x ^ { 2 } }\)
• B) \(\sqrt { x ^ { 2 } + 1 }\)
• C) \(\sqrt { \mathrm { x } ^ { 2 } - 1 }\)
• D) \(\frac { \sqrt { x ^ { 2 } + 1 } } { x }\)

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Definitions:

Taft-Hartley Act

A 1947 U.S. federal law that restricted the activities and power of labor unions, including outlawing closed shops and permitting states to pass right-to-work laws.

Right-to-Work Laws

Legislation that prohibits union security agreements, or agreements between employers and labor unions, that govern the extent to which an established union can require employees' membership, payment of union dues, or fees as a condition of employment.

Labor Unions

Organizations that represent the interests of employees in negotiations with employers over issues like wages, working conditions, and benefits.

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