Solve the Equation for Exact Solutions $6 \cos ^ { - 1 } x = \pi$

question 64

Multiple Choice

Solve the equation for exact solutions.
- $6 \cos ^ { - 1 } x = \pi$

• A) \(\left\{ \frac { \sqrt { 2 } } { 2 } \right\}\)
• B) \(\left\{ \frac { \pi } { 6 } \right\}\)
• C) \(\left\{ \frac { 1 } { 2 } \right\}\)
• D) \(\left\{ \frac { \sqrt { 3 } } { 2 } \right\}\)

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Definitions:

Own Capital

The funds or assets personally invested by the owners into a business, distinct from borrowed capital.

Economic Profit

The separation between full-scale income and aggregated expenses, acknowledging both straightforward and underlying costs.

Own Capital

The personal wealth or assets invested in a business by its owners.

Long-Run

A period of time in which all factors of production and costs are variable, allowing for complete adjustment to change.