Use a Calculator to Find the Approximate Value $\cos ^ { - 1 } ( 0.68 )$

question 177

Multiple Choice

Use a calculator to find the approximate value. Express your answer in degrees rounded to two decimal places.
- $\cos ^ { - 1 } ( 0.68 )$

• A) \(47.16 ^ { \circ }\)
• B) \(34.22 ^ { \circ }\)
• C) \(42.84 ^ { \circ }\)
• D) \(85.69 ^ { \circ }\)

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Definitions:

Annual Interest Expense

The total cost incurred by a borrower in a year for all debts, represented as the interest payments made on any borrowed funds.

Bond Discount

The difference between the face value of a bond and its selling price when the bond is sold for less than its face value.

Premium

The amount paid for an insurance policy, or the amount by which a bond or stock sells above its par or face value.

Straight-Line Method

A method of calculating depreciation by evenly spreading the cost of an asset over its expected useful life.