Use Identities to Write the Expression as a Single Function $$\theta$$

question 408

Multiple Choice

Use identities to write the expression as a single function of x or $$\theta$$
- $\sin \left( x + 45 ^ { \circ } \right)$

• A) \(- \cos x\)
• B) \(\frac { \sqrt { 2 } } { 2 } \cos x + \frac { \sqrt { 2 } } { 2 } \sin x\)
• C) \(\frac { \sqrt { 2 } } { 2 } \cos x - \frac { \sqrt { 2 } } { 2 } \sin x\)
• D) \(\sin x\)

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Definitions:

Mortgage Options

Various loan mechanisms available to buyers to finance the purchase of a home, including fixed-rate, adjustable-rate, and others.

Payback Period

The length of time it takes for an investment to recover its initial cost, calculated by comparing the cumulative cash flow over time.

Cash Inflows

The total amount of money received by a company or individual from various sources, including sales, investments, financing, and other business activities.

Initial Investment

The amount of money used to start a project, purchase an asset, or invest in a financial venture.