Express the Given Quantity in Terms of Sin X or Cos

question 187

Multiple Choice

Express the given quantity in terms of sin x or cos x.
- $$\sin \left( \frac { 7 \pi } { 2 } - x \right)$$

• A) \(- \cos x\)
• B) \(- \cos x - \sin x\)
• C) \(- \cos ( - x )\)
• D) \(\cos x\)

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Definitions:

Monthly Budget

An itemized plan that outlines expected income and expenditures for a month, used to manage finances and save money.

Discretionary Dollars

Money that consumers or businesses have available to spend after accounting for necessities such as taxes, groceries, and living expenses.

Retirement Savings Plan

A financial arrangement designed to help individuals save money for their retirement, often involving contributions from both the employee and employer.

Safety Net

A safeguard against failure or hardship, providing security or support in times of need, often used in the context of social welfare or financial systems.