Which of the Following Is Not a Valid Completion of the Double-Angle

question 31

Multiple Choice

Which of the following is not a valid completion of the double-angle identity for $\cos 2 \theta ?$

• A) \(2 \cos ^{2} a-1\)
• B) \(1-2 \sin ^{2} \theta\)
• C) \(\sin ^{2} \theta-\cos ^{2} \theta\)
• D) \(\cos ^{2} \theta-\sin ^{2} \theta\)

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Definitions:

Gender Stereotypes

Overgeneralized beliefs and expectations about what men and women are like, based on traditional roles and behaviors associated with each gender.

Culture

The shared patterns of behaviors, interactions, and understanding that are learned and transmitted socially among groups of people.

Mass Media

Various forms of communication that reach a large audience simultaneously, including television, radio, newspapers, and the internet.

Sexual Orientation

A permanent, unchangeable emotional, romantic, or sexual feeling towards others that is built-in or natural.