Use the Sum-To-Product Formulas to Write the Given Expression as a Product

question 12

Multiple Choice

Use the sum-to-product formulas to write the given expression as a product. ​
​ ​

• A)​​2 sin 4θ cos θ
• B)​-2 sin 4θ sin θ
• C)-​2 cos 4θ cos θ
• D)​2 cos 4θ sin θ
• E)​​2 cos 4θ cos θ

---

Definitions:

Psychological State

An individual's current mental condition, which can influence thoughts, feelings, and behaviors.

Sentry Duty

The act of guarding or watching for any danger or unexpected activity, typically in military contexts.

Context Effects

The influence of surrounding factors or the situational environment on the perception, interpretation, or memory of information.

Masking Stimuli

Visual or auditory stimuli that interfere with the perception of another stimulus, making it harder to detect or understand.