Write the Expression as the Sine, Cosine, or Tangent of an Angle

question 307

Multiple Choice

Write the expression as the sine, cosine, or tangent of an angle.
- $\sin 4 x \cos x - \cos 4 x \sin x$

• A) \(\sin 5 x\)
• B) \(\sin 3 x\)
• C) \(\cos 3 x\)
• D) \(\cos 5 x\)

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Definitions:

Residual Volume

The amount of air remaining in the lungs after a forceful exhalation, ensuring that gas exchange continues even between breaths.

Functional Residual Capacity

The volume of air remaining in the lungs after a normal, passive exhalation.

Total Lung Capacity

The maximum amount of air the lungs can hold, which is the sum of the vital capacity and the residual volume.

Vital Capacity

The maximum amount of air a person can expel from the lungs after a maximum inhalation, a measure of lung capacity.