The Radius of the Circle in the Figure Is 2 $D C$

question 18

Multiple Choice

The radius of the circle in the figure is 2 units. Express the length $D C$ in terms of $\alpha$ .

• A) \(2 \cos \alpha\)
• B) \(2 \cot \alpha\)
• C) \(2 \sin \alpha\)
• D) \(2 \tan \alpha\)
• E) \(2 \sec \alpha\)

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Definitions:

Informational Influence

The effect on an individual's behavior or attitudes caused by the desire to be correct and to understand the proper way to act in a given situation.

Informational Influence

A form of social influence wherein individuals change their opinions or behaviors in response to receiving new information or observing others.

Normative Influence

The process of using others to determine how to fit in.

Chameleon Effect

The unconscious mimicry of the gestures, behaviors, or expressions of others in social situations, often to create social rapport.