Find the Exact Value $\cos 95 ^ { \circ } \cos 50 ^ { \circ } + \sin 95 ^ { \circ } \sin 50 ^ { \circ }$

question 1

Multiple Choice

Find the exact value. $\cos 95 ^ { \circ } \cos 50 ^ { \circ } + \sin 95 ^ { \circ } \sin 50 ^ { \circ }$

• A) \(3 \sqrt { 2 } / 2\)
• B) \(\sqrt { 2 } / 2\)
• C) \(1\)
• D) \(- \sqrt { 3 } / 2\)
• E) none

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Definitions:

GDP

Gross Domestic Product, the total market value of all final goods and services produced within a country's borders in a given time period.

Exports

Goods or services sent from one country to another for sale or exchange.

Imports

Goods and services that are brought into one country from another for sale.

Net Exports

The difference between a country's total exports of goods and services and its total imports, reflecting the trade balance.