Express the Sum or Difference as a Product of Sines $\sin ( 8 \theta ) - \sin ( 4 \theta )$

question 131

Multiple Choice

Express the sum or difference as a product of sines and/or cosines.
- $\sin ( 8 \theta ) - \sin ( 4 \theta )$

• A) \(2 \sin ( 2 \theta )\)
• B) \(2 \sin ( 2 \theta ) \cos ( 6 \theta )\)
• C) \(2 \cos ( 4 \theta ) \cos ( 6 \theta )\)
• D) \(2 \sin ( 6 \theta ) \cos ( 2 \theta )\)

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Definitions:

Local Contrast

A change in behavior that occurs following a change in reinforcement contingency; the change in behavior fades with extended training.

Systematic Contrast

A phenomenon in experimental analysis where differences in response are systematically altered to observe differences in outcomes, often used in psychological and behavioral research.

Making Pizzas

The process of preparing and baking pizzas, which involves creating the dough, adding toppings, and cooking in an oven.