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

question 52

Multiple Choice

Find the exact value of the expression.
- $\cos ^ { - 1 } \left( \cos \frac { 7 \pi } { 6 } \right)$

• A) \(\frac { 4 \pi } { 5 }\)
• B) \(\frac { \pi } { 6 }\)
• C) \(\frac { \pi } { 3 }\)
• D) \(\frac { 5 \pi } { 6 }\)

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Definitions:

Cost Recovery Deduction

A method for businesses to deduct the costs of certain properties over time, often used for depreciation and amortization of assets.

Expense Deduction

Tax deductions that allow individuals or businesses to subtract certain expenses from their taxable income, thereby reducing their tax liability.

Cost Recovery Deduction

Tax deductions allowed for the depreciation or amortization of certain property used in a business or for income-producing purposes.

Bonus Depreciation

An incentive for businesses, allowing them to immediately deduct a significant portion of the purchase price of eligible business assets in the year they are placed in service.