
4. Experiment by, for example, changing define f( ) = to define f( ) = sin( ) and
then press EXE or Enter.
5. Clear the Geometry window and drag the new results in.
6. You can also add a tangent line to your curve to help in the visualization of the
derivative curve.
Part IV: Exploring Fourier Series using CAS
For the final activity, we will use the CAS to help us better understand Fourier series. This is an
excellent eActivity to use to introduce Fourier series to students.
To begin,
1. Open the ClassPad folder again.
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