To plot simultaneously f(x) and sin(x) requires first to add a calculation of sin(x) on the numerical grid to the table, then to plot the two functions in the same graph. The steps to follow are:
- clear the old graph ( via the "edit" - "clear" - "all" option from the menu bar )
- add a third column to the table containing sin(x)
- select the three columns of the table and invoke the Chart Wizard tool
- make sure that the x data not be treated as a data series but to position the points along the x-axis
- position and scale the graph properly to fit on a single page
Here is what the final spreadsheet should look like:
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