Use a Double Angle Formula to Rewrite the Given Expression $10 \cos ^ { 2 } x - 5$

question 173

Multiple Choice

Use a double angle formula to rewrite the given expression. $10 \cos ^ { 2 } x - 5$

• A) \(5 \cos 5 x\)
• B) \(5 \cos 2 x\)
• C) \(10 \cos 2 x\)
• D) \(2 \cos 10 x\)
• E) \(2 \cos 5 x\)

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Definitions:

Cell

The smallest unit of life that displays all the properties of life; composed of cytoplasm surrounded by a plasma membrane.

Organized

The state or condition of being systematically arranged and structured, often referring to ordered and efficient setups in biological, social, or physical systems.

Mitochondria

Organelles found in the cells of nearly all eukaryotic organisms, responsible for producing energy through cellular respiration.

ATP

Adenosine triphosphate, a molecule that stores and transfers energy within cells, acting as a universal energy currency for cellular processes.