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

question 99

Multiple Choice

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

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

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Definitions:

Automatic Processing

The quick, unconscious, and effortless way in which the brain processes information, allowing individuals to perform tasks without deliberate attention to detail.

Effortful Processing

Effortful processing is a type of information processing that requires active work and attention in order to encode and store information in memory.

Encoding

The initial process of recording information in a form usable to memory.

Sensory Memory

The shortest-term element of memory, responsible for the ability to momentarily retain impressions of sensory information after the original stimuli have ended.