Use a Double-Angle Formula to Rewrite the Expression $2 \sin x \cos x$

question 48

Multiple Choice

Use a double-angle formula to rewrite the expression. ​​ $2 \sin x \cos x$ ​

• A)​sin x
• B)​​2 sin x
• C)​​​2 sin 2x
• D)​ sin x
• E)​ sin 2x

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Definitions:

Experimental Group

The group in an experiment that receives the variable being tested, as opposed to the control group.

Control Group

A group in an experiment that does not receive the experimental treatment and is used as a benchmark to measure how the other tested subjects do.

Random Sample

A selection process where each member of a population has an equal chance of being included in the sample, minimizing bias.

Population

In statistics and demography, a comprehensive group of individuals or items that share one or more characteristics from which data can be gathered and analyzed.