Use an Identity to Write the Expression as a Single $$\sqrt { \frac { 1 + \cos 22 ^ { \circ } } { 2 } }$$

question 394

Multiple Choice

Use an identity to write the expression as a single trigonometric function or as a single number.
- $$\sqrt { \frac { 1 + \cos 22 ^ { \circ } } { 2 } }$$

• A) \(\cos 11 ^ { \circ }\)
• B) \(\tan 11 ^ { \circ }\)
• C) \(\sin 11 ^ { \circ }\)
• D) \(\cot 11 ^ { \circ }\)

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Definitions:

Retained Earnings

The portion of a company's profits that is held or retained and not paid out as dividends to shareholders, often used for reinvestment in the business.

Book Value

The net value of a company's assets minus its liabilities, essentially the equity value as shown on the balance sheet.

Net Income

The total profit of a company after all expenses and taxes have been deducted from revenues.

Dividend Per Share

A measure of the total dividends declared in a period divided by the number of outstanding ordinary shares.