Use the Given Triangles to Evaluate the Expression $\cos \frac { \pi } { 6 }$

question 3

Multiple Choice

Use the given triangles to evaluate the expression. Rationalize all denominators.
- $\cos \frac { \pi } { 6 }$

• A) \(\frac { \sqrt { 3 } } { 2 }\)
• B) \(\sqrt { 3 }\)
• C) \(\frac { 2 \sqrt { 3 } } { 3 }\)
• D) \(\frac { \sqrt { 2 } } { 2 }\)

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Definitions:

Aggregate Supply

The nation’s total output of goods and services.

Depression

A severe and prolonged downturn in economic activity, characterized by significant decline in GDP, high unemployment, and deflation.

Supply-Side Economists

Economists who believe that reducing tax rates and regulatory burdens on producers can stimulate investment, increase supply, and lead to economic growth.

Tax Rates

Tax rates are the percentages at which individual or corporate income is taxed by the government.