Use the Properties of the Trigonometric Functions to Find the Exact

question 331

Multiple Choice

Use the properties of the trigonometric functions to find the exact value of the expression. Do not use a calculator.
- $\sin ^ { 2 } 80 ^ { \circ } + \cos ^ { 2 } 80 ^ { \circ }$

• A) 2
• B) 0
• C) 1
• D) \(- 1\)

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Definitions:

An Expense

Costs incurred by a business in the process of earning revenue, directly impacting the company's net income.

Amortization Of Discount

The process of gradually recognizing the discount on bonds payable as interest expense over the life of the bond.

Bond Interest Expense

The cost incurred by an issuer of bonds due to the interest it must pay to bondholders over the life of the bond.

Carrying Value

The book value of assets and liabilities as reported on the balance sheet, considering depreciation, amortization, or impairment.