Use the Sum-To-Product Formulas to Write the Given Expression as a Product

question 12

Multiple Choice

Use the sum-to-product formulas to write the given expression as a product. ​
​ ​

• A)​​2 sin 4θ cos θ
• B)​-2 sin 4θ sin θ
• C)-​2 cos 4θ cos θ
• D)​2 cos 4θ sin θ
• E)​​2 cos 4θ cos θ

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Definitions:

Fifteenth Amendment

An amendment to the United States Constitution, ratified in 1870, that prohibits the federal and state governments from denying a citizen the right to vote based on that citizen's "race, color, or previous condition of servitude."

Race

A socially constructed category of identification based on physical characteristics, ancestry, historical affiliations, or shared culture.

Vote

The act of expressing one's choice or opinion in a meeting or election.

Reconstruction Amendments

Refers to the 13th, 14th, and 15th amendments to the United States Constitution, adopted after the Civil War, which abolished slavery, granted citizenship rights, and gave voting rights to formerly enslaved individuals.