Expand the below function in terms of (1, cos where N is positive integer and 0...

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илх Expand the below function in terms of (1, cos where N is positive integer and 0 ≤ x ≤L. L osts 2 f(x) = L L 22<x<L Determine what function this expansion of f(x) converges to on 0≤x≤ L. Graph the function itself, as well as the two partial sums of the expansion, proving the accuracy of the expansion improves as n increases. илх Expand the below function in terms of (1, cos where N is positive integer and 0 ≤ x ≤L. L osts 2 f(x) = L L 22<x<L Determine what function this expansion of f(x) converges to on 0≤x≤ L. Graph the function itself, as well as the two partial sums of the expansion, proving the accuracy of the expansion improves as n increases.

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