Use a Graphing Device to Find the Maximum and Minimum $y = \cos x - ( \cos 2 x ) / 2$

question 64

Short Answer

Use a graphing device to find the maximum and minimum values of the function $y = \cos x - ( \cos 2 x ) / 2$ .

---

Definitions:

Confidence Interval

A series of values, based on sample statistics, presumed to include the unknown value of a population parameter.

Population Parameter

A characteristic or measure that describes an aspect of an entire population, such as a population mean or variance.

Confidence Interval

A range of values, derived from sample statistics, that are believed to contain the value of an unknown population parameter at a certain confidence level.

Sample Size

The number of observations or replicates included in a statistical sample.