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calculate-A-x-n-1-1-n-cos-nx-n-and-B-x-n-1-1-n-sin-nx-n-




Question Number 67521 by mathmax by abdo last updated on 28/Aug/19
calculate   A(x) =Σ_(n=1) ^∞   (((−1)^n  cos(nx))/n)  and B(x) =Σ_(n=1) ^∞  (((−1)^n  sin(nx))/n)
calculateA(x)=n=1(1)ncos(nx)nandB(x)=n=1(1)nsin(nx)n

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