Use the Half-Angle Formula to Simplify the Given Expression

question 140

Multiple Choice

Use the half-angle formula to simplify the given expression. ​
​ ​

• A)​​cos |2x|
• B)​​cos |8x|
• C)​​cos |16x|
• D)​​cos |32x|
• E)​cos |4x|

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Definitions:

House Colour

The chosen paint or external finish of a residential building's exterior.

Price Per Night

The cost associated with renting or staying in a particular accommodation (such as a hotel room) for one night.

Square Feet

A measurement of area equal to a square measuring one foot on each side.

Amenities

Features that provide comfort, convenience, or pleasure, often used to describe those available in homes, hotels, or on properties.