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

question 9

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) \(2 \sin ( 6 \theta ) \cos ( 2 \theta )\)

---

Definitions:

Dispositional Reasons

Explanations for behavior that are attributed to an individual's inherent qualities or personality traits.

Disposition

A person's inherent qualities of mind and character.

Perceptual Defence

The subconscious avoidance or modification of perceiving threatening or emotionally disturbing information to protect the self.

Contrast Effects

Previously interviewed job applicants affect an interviewer’s perception of a current applicant, leading to an exaggeration of differences between applicants.