F(x) = sec(x), a = 0, n = 2, −0.1 ≤ x ≤ 0.1 (a) approximate f by a taylor polynomial with degree n at the number a. t2(x) = (b) use taylor's inequality to estimate the accuracy of the approximation f(x) ≈ tn(x) when x lies in the given interval. (round your answer to six decimal places.) |r2(x)| ≤

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