Find the actual error when the first derivative of f(x) = sin(2x) at x = 1/8 is approximated by the following 3-point formula

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
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Author:Bruce Crauder, Benny Evans, Alan Noell
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Chapter2: Graphical And Tabular Analysis
Section2.1: Tables And Trends
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Find the actual error when the first derivative of f(x) = sin(2x) at x = n/8 is approximated by
the following 3-point formula
%3D
3f(x +h) - 2f(x) – f(x-h)
f'(x) *
4h
with h = 0.25.
0.0343
0.5544
0.2313
0.0431
Transcribed Image Text:Find the actual error when the first derivative of f(x) = sin(2x) at x = n/8 is approximated by the following 3-point formula %3D 3f(x +h) - 2f(x) – f(x-h) f'(x) * 4h with h = 0.25. 0.0343 0.5544 0.2313 0.0431
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