Let f(x) = cos ¹x for -1 ≤ x ≤ 1 ( the principal branch 0 ≤ f ≤). Find the polynomial of degree 2, p2(x) = ao + a₁x + a₂x² which minimizes [² [ƒ(x) = P(x)³² √1-x² -dx.

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