Write the First Four Elements of the Sequence $\pi$ )
A) 1, 0, -1, 0
B) 1, 1, 1

question 21

Multiple Choice

Write the first four elements of the sequence.
-sin (n $\pi$ )

• A) 1, 0, -1, 0
• B) 1, 1, 1, 1
• C) 0, 0, 0, 0
• D) 0, 1, 0, -1

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Definitions:

Different Ages

Distinct stages in life characterized by unique physical, psychological, and social milestones.

Single Group

A group consisting of subjects who are exposed to an experimental or treatment condition, without a separate control group for comparison.

Cross-sectional

A research design that collects data from different participants at a single point in time to compare across groups or variables.

Research Design

The framework or strategy for a study that guides the collection and analysis of data to address research questions effectively.