Find the Exact Value of the Expression $\sin ^ { - 1 } \left[ \sin \left( \frac { 6 \pi } { 7 } \right) \right]$

question 69

Multiple Choice

Find the exact value of the expression. Do not use a calculator.
- $\sin ^ { - 1 } \left[ \sin \left( \frac { 6 \pi } { 7 } \right) \right]$

• A) \(\frac { \pi } { 7 }\)
• B) \(\frac { 7 } { 6 \pi }\)
• C) \(\frac { 6 \pi } { 7 }\)
• D) \(\frac { 7 } { \pi }\)

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Definitions:

Preset Price

refers to a price that is established in advance and does not change in response to market conditions or negotiation.

Price Ceiling

A legal maximum price set by the government on certain goods and services to prevent prices from becoming too high.

Price Floor

A government- or authority-imposed minimum price that can be charged for a good or service, typically set above the equilibrium price to aid producers.

Subsidizing Federal

Financial support from the federal government to help reduce the cost of goods and services or to encourage investment in specific sectors.