You see a curve describing a periodical function $f$ with period $2\pi $. Your task is to find the first terms of the Fourier series development of this function.

You can make several attempts to find these terms. For each attempt you will see the curve of your "development" $g$ together with $f$. You can modify your answer to make the curves as similar as possible. There is also the curve of remainder $f-g$, which allows you to see the errors.

Requested knowledge for this exercise: trigonometry, series, Fourier series.

The most recent versionPlease take note that WIMS pages are interactively generated; they are not ordinary HTML files. They must be used interactively ONLINE. It is useless for you to gather them through a robot program.

- Description: graphical search of Fourier development of a function. serveur web interactif avec des cours en ligne, des exercices interactifs, des calculatrices et traceurs en ligne
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