Express the Sum or Difference as a Product of Sines $\sin ( 2 \theta ) - \sin ( 4 \theta )$

question 376

Multiple Choice

Express the sum or difference as a product of sines and/or cosines.
- $\sin ( 2 \theta ) - \sin ( 4 \theta )$

• A) \(2 \cos ( 2 \theta ) \cos ( 3 \theta )\)
• B) \(- 2 \sin \theta\)
• C) \(- 2 \sin \theta \cos ( 3 \theta )\)
• D) \(2 \sin ( 3 \theta ) \cos \theta\)

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Definitions:

Neutral Stimulus

A trigger that initially elicits no particular reaction except for capturing attention.

Unconditioned Response (UR)

An automatic, natural reaction to a stimulus that occurs without any need for prior learning or conditioning.

Ringing Bell

A sound or signal produced by a bell, often used to mark the beginning or end of an event, or to draw attention.

Conditioned Stimulus (CS)

In classical conditioning, an originally neutral stimulus that, after association with an unconditioned stimulus (US), comes to trigger a conditioned response (CR).