Write the Product as a Sum or Difference of Trigonometric $2 \sin 4 x \sin 14 x$

question 137

Multiple Choice

Write the product as a sum or difference of trigonometric functions.
- $2 \sin 4 x \sin 14 x$

• A) \(\frac { 1 } { 2 } ( \cos 18 x + \cos 10 x )\)
• B) \(\cos 10 x - \cos 18 x\)
• C) \(\sin 18 x + \sin 10 x\)
• D) \(\cos 18 x + \cos 10 x\)

---

Definitions:

Conversion Disorder

A psychological condition in which emotional distress or unconscious conflict is expressed through physical symptoms without a medical cause.

Physiological Basis

The fundamental mechanisms and functions of the body that underpin a phenomenon or condition.

Blindness

The condition of lacking visual perception due to physiological or neurological factors.

Biological Perspectives

An approach in psychology that looks at understanding human behavior through biological factors like genetics, brain circuits, and substances.