Express the Sum or Difference as a Product $\cos 4 x + \cos 2 x$

question 180

Multiple Choice

Express the sum or difference as a product.
- $\cos 4 x + \cos 2 x$

• A) \(2 \cos 3 x \cos x\)
• B) \(2 \sin 3 x \sin x\)
• C) \(2 \cos 3 x \sin x\)
• D) \(2 \cos 3 x\)

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Definitions:

Per Se Illegal

Describes actions or behaviors that are considered illegal in and of themselves, without needing further examination of their context or effects.

Price Fixing

An illegal agreement between participants on the same side in a market to buy or sell a product, service, or commodity only at a fixed price or maintain the market conditions so that the price is maintained at a given level by controlling supply and demand.

Tying Arrangement

A sales strategy where a seller requires a buyer to purchase a secondary product as a condition of purchasing a desired primary product.

Exclusive Territorial Distributorship

A distribution strategy where a manufacturer grants exclusive rights to distribute its products in a specific territory to a single distributor.