Simplify the Expression $\cos \left( 2 \sin ^ { - 1 } x \right)$

question 166

Essay

Simplify the expression $\cos \left( 2 \sin ^ { - 1 } x \right)$ .

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Definitions:

Contributory Negligence

A legal doctrine under which a party can be found to be at fault for their own injury if they contributed to the cause of their harm, potentially limiting or eliminating their right to compensation.

Plaintiff

The party who initiates a lawsuit seeking legal remedy from another party, the defendant, for some injury or damage.

Damages

A financial recompense given by a court to an individual who has endured damages or injury because of another's illegal action or carelessness.

Defendant

An individual, company, or institution sued or accused in a court of law.