Use Taylor's Theorem to obtain an upper bound for the error of the approximation. Then calculate the exact value of the error.
arctan(0.4) ≈ 0.4 - (0.4)³/3
So it's screwing with my head.
Use Taylor's Theorem to obtain an upper bound for the error of the approximation. Then calculate the exact value of the error.
arctan(0.4) ≈ 0.4 - (0.4)³/3
So it's screwing with my head.
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