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let-f-x-sin-x-sinx-2pi-periodi-even-developp-f-at-fourier-serie-




Question Number 109219 by mathmax by abdo last updated on 22/Aug/20
let f(x) =((sin(αx))/(sinx))     , 2π periodi even  developp f at fourier serie
$$\mathrm{let}\:\mathrm{f}\left(\mathrm{x}\right)\:=\frac{\mathrm{sin}\left(\alpha\mathrm{x}\right)}{\mathrm{sinx}}\:\:\:\:\:,\:\mathrm{2}\pi\:\mathrm{periodi}\:\mathrm{even} \\ $$$$\mathrm{developp}\:\mathrm{f}\:\mathrm{at}\:\mathrm{fourier}\:\mathrm{serie} \\ $$

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