​Sketch the Graph of the Function Below,being Sure to Include $\frac { \pi } { 2 }$

question 27

Multiple Choice

​Sketch the graph of the function below,being sure to include at least two full periods. ​
​y = 2 cos​( x - $\frac { \pi } { 2 }$ ) ​ ​

• A)​
• B)​
• C)​
• D)​

---

Definitions:

Population

Refers to the total set of observations that can be made in any given survey or experimental study.

Sample

A group within a larger population chosen for the purpose of conducting measurements, observations, or inquiries to gather data about the entire population.

Experiment

A procedure undertaken to support, refute, or validate a hypothesis, typically involving the manipulation of variables to observe the effect on some behavior or condition.

Outcomes

The possible results that may occur as a result of an experiment or event.