Use an Identity to Write the Expression as a Single $\sin 22.5 ^ { \circ } \cos 22.5 ^ { \circ }$

question 488

Multiple Choice

Use an identity to write the expression as a single trigonometric function or as a single number.
- $\sin 22.5 ^ { \circ } \cos 22.5 ^ { \circ }$

• A) \(\frac { \sqrt { 2 } } { 2 }\)
• B) \(\sqrt { 3 }\)
• C) \(\frac { \sqrt { 3 } } { 3 }\)
• D) \(\frac { \sqrt { 2 } } { 4 }\)

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Definitions:

Stock Valuation

The process of determining the intrinsic value of a stock, based on factors like dividends, earnings, economic conditions, and company performance.

Future Dividend

The dividends that a company is expected to distribute to its shareholders in the future.

Gordon Model

A method to determine the value of a stock by considering expected dividends, growth rate of these dividends, and the required rate of return.

Stock Pricing Models

Theoretical models used to determine the fair value of a stock based on future dividends, free cash flow, or other attributes of the company.