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 $y = \cos x - ( \cos 2 x ) / 2$ .

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Definitions:

Interest on Interest

The concept of earning interest on the reinvestment of previous interest payments, a compound interest phenomena.

Average Annual Interest Rate

The average amount of interest earned or paid on an investment or loan over a one-year period, expressed as a percentage.

Investments

Resources or possessions obtained with the intention of creating income or growing in value over time.

Average Annual Interest Rate

This refers to the weighted average of all the interest rates applied to a loan or financial product, averaged over a year.