Find the Exact Value of the Expression $$\cos \theta = \frac { \sqrt { 3 } } { 2 }$$

question 143

Multiple Choice

Find the exact value of the expression.
- $$\cos \theta = \frac { \sqrt { 3 } } { 2 }$$

• A) \(225 ^ { \circ }\) and \(315 ^ { \circ }\)
• B) \(135 ^ { \circ }\) and \(225 ^ { \circ }\)
• C) \(45 ^ { \circ }\) and \(225 ^ { \circ }\)
• D) \(30 ^ { \circ }\) and \(330 ^ { \circ }\)

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Definitions:

Price Level

The average of current prices across the entire spectrum of goods and services produced in the economy, an indicator of inflation.

Real GDP

The measure of a country's economic output adjusted for price changes (inflation or deflation), reflecting the real value of goods and services produced.

Short-Run Economic Recession

A brief period of economic decline characterized by reduced industrial production, trade, and lowered levels of employment.

Long-Run Aggregate-Supply Curve

A vertical curve representing the real output of goods and services that an economy can produce when resources are fully employed, irrespective of the overall price level, over time.