How do I solve this problem? Find the Fourier series for f(x) = √ (1-cosx) in the interval – π < x ≤ < π?
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I would start by calculating the Fourier series of ax3+bx on (−π,π) with 2π periodic boundary conditions. ...
Differentiating the series formally (that is, without proper justification), we get f″(x)=−∞∑n=1(−1)nnsin(nx) ...
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