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Chapter 8: Q. 40 (page 550)

Use the method of adding y-coordinates to graph each function.

f(x)=cos(2x)+cosx

Short Answer

Expert verified

The required graph is

Step by step solution

01

Step 1. Given Information 

The given function isf(x)=cos(2x)+cosx

02

Step 2. Explanation

Select different values for x to plot the points on the graph of y.

03

Step 3. Graph 

Plot the graph by using the points in the table.

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