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

question 287

Multiple Choice

Write the expression as the sine, cosine, or tangent of an angle.
- $\cos 7 x \cos 4 x - \sin 7 x \sin 4 x$

• A) \(\sin 11 x\)
• B) \(\sin 3 x\)
• C) \(\cos 11 \mathrm { x }\)
• D) \(\cos 3 x\)

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Definitions:

Underapplied Overhead

occurs when the allocated manufacturing overhead cost is less than the actual overhead incurred, leading to a discrepancy.

Overapplied Overhead

A situation where the allocated manufacturing overhead costs exceed the actual overhead costs incurred.

Cost of Goods Sold

The immediate expenses directly linked to the manufacturing of products sold by a firm, such as labor and materials used.

Finished Goods Inventories

The stock of completed products that are ready to be sold but have not yet been purchased or distributed.