Complete the Identity $\sin ( \alpha + \beta ) \sin ( \alpha - \beta ) =$

question 119

Multiple Choice

Complete the identity.
- $\sin ( \alpha + \beta ) \sin ( \alpha - \beta ) =$ ?

• A) \(\cos ^ { 2 } \beta - \cos ^ { 2 } \alpha\)
• B) \(\sin ^ { 2 } \alpha - \cos ^ { 2 } \beta\)
• C) \(\cos ^ { 2 } \beta + \cos ^ { 2 } \alpha\)
• D) \(\sin ^ { 2 } \beta - \sin ^ { 2 } \alpha\)

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Definitions:

Finishing Department

The final stage in a manufacturing process where products undergo final touches, treatments, or packaging before being ready for sale.

Net Profit

The financial gain or loss a business makes after subtracting all expenses, taxes, and costs from total revenue.

Shadow Price

In linear programming, it refers to the value that represents the change in the optimal objective function value per unit increase in the right-hand side of a constraint.

Finishing Constraint

A limitation or requirement in the production process that must be met before a product can be completed and delivered.