Use an Identity to Write the Expression as a Single $1 - 2 \sin ^ { 2 } 2 x$

question 245

Multiple Choice

Use an identity to write the expression as a single trigonometric function or as a single number.
- $1 - 2 \sin ^ { 2 } 2 x$

• A) \(\cos 4 \mathrm { x }\)
• B) \(\frac { 1 } { 2 } \sin 16 x\)
• C) \(\cos 8 x\)
• D) \(2 \sin 4 x\)

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Definitions:

Government Expenditures

The spending by the government sector on goods and services, including public services and public investment.

Multiplier

An economic factor that quantifies the effect of a change in fiscal or monetary policy on the overall economy, such as how an increase in government spending can lead to a larger increase in national income.

Crowding out

A situation where increased government spending leads to reduced investment in the private sector due to higher interest rates or competition for resources.

Government Purchases

Expenditures by government entities on goods and services that are used to provide public services or to benefit the country's economy.