Simplify the Expression $\cos ^ { 2 } 4 x - \sin ^ { 2 } 4 x$

question 259

Multiple Choice

Simplify the expression.
- $\cos ^ { 2 } 4 x - \sin ^ { 2 } 4 x$

• A) \(\cos 8 x\)
• B) \(2 \sin 4 x\)
• C) \(\frac { 1 } { 2 } \sin 16 x\)
• D) \(\cos 4 x\)

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Definitions:

Price Discrimination

The strategy of selling the same product at different prices to different groups of consumers, based on their willingness or ability to pay.

Perfect Competition

A market structure where many companies sell products that are identical to each other and no single firm can influence the market price.

Price Discrimination

A pricing strategy where a seller charges different prices for the same product or service to different customers, not based on costs but on what the seller believes each customer can afford or is willing to pay.

Single-Price Monopoly

A market structure where a single seller sells a unique product in the market and does not charge different prices to different consumers for the same product.