Find the Exact Solution of the Equation $2 \cos ^ { - 1 } x = \pi$

question 125

Multiple Choice

Find the exact solution of the equation.
- $2 \cos ^ { - 1 } x = \pi$

• A) \(x = 0\)
• B) \(x = 1\)
• C) \(x = \frac { 3 \pi } { 2 }\)
• D) \(x = \frac { \pi } { 2 }\)

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Definitions:

Supply

The total amount of a specific good or service that is available to consumers in a market at a given time and price.

Equilibrium Price

The price at which the quantity of a good or service demanded equals the quantity supplied, leading to a state of market balance.

Demand

The quantity of a good or service that consumers are willing and able to purchase at various prices.

Supply

The total amount of a good or service available for purchase by consumers at a given price level and time.