15. Calculate the Fourier series in sines of the function f(t) = t³ in the interval [0]

Q: 4. Sketch several periods of the following function: f (x) 0,- pi<x<0;1,0<x<pi/2;0,pi/2<x<pi Expand…

Q: Find the Fourier series of f(x) = |sin x| on the interval [−π, π]. Draw a sketch of f(x).

Q: 2. (a) Find Fourier Series representation of the function with period 2 defined by f(t)= sin (t/2).

Q: 2. (a) Find the Fourier series for the function f(t) = t² on the interval [-7, 7].

Q: Find the Fourier sine series of the function f(x) = x² cos x on the interval [-L, L].

Q: Find the Fourier series of the function f(x) = 2L – on the interval [-L, L].