Find the Exact Value Under the Given Conditions $\sin \alpha = \frac { 7 } { 25 } , 0 < \alpha < \frac { \pi } { 2 } ; \quad \cos \beta = \frac { 20 } { 29 } , 0 < \beta < \frac { \pi } { 2 } \quad$

question 279

Multiple Choice

Find the exact value under the given conditions.
- $\sin \alpha = \frac { 7 } { 25 } , 0 < \alpha < \frac { \pi } { 2 } ; \quad \cos \beta = \frac { 20 } { 29 } , 0 < \beta < \frac { \pi } { 2 } \quad$ Find $\cos ( \alpha + \beta )$ .

• A) \(\frac { 333 } { 725 }\)
• В) \(\frac { 644 } { 725 }\)
• C) \(- \frac { 364 } { 725 }\)
• D) \(\frac { 627 } { 725 }\)

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Definitions:

Market Equilibrium

A state where the supply of a product matches its demand, resulting in stable prices.

Quantity Demanded

The aggregate quantity of a product or service that buyers are prepared to buy at a given price.

Excess Supply

A situation where the quantity of a product offered for sale by producers exceeds the quantity that consumers are willing to buy at a given price.

Quantity Supplied

The total amount of a specific good or service that producers are willing and able to sell at a particular price over a given period of time.