Question: Let f(x) = x. Find the trigonometric function of the form g(x) = a + b cos x + c sin x that minimizes the

Let f(x) = x. Find the trigonometric function of the form g(x) = a + b cos x + c sin x that minimizes the L2 error||g-f || = = [9(r) - f(x)] dr.

||g-f || = = [9(r) - f(x)] dr.

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