Use a second degree Taylor polynomial to approximate the two solutions to cos(x) = 3/4 in the interval (-"/2, "/2).
Use a second degree Taylor polynomial to approximate the two solutions to cos(x) = 3/4 in the interval (-"/2, "/2).
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Taylor Polynomials! I would appreciate any assistance! The more explanation the better.
Expert Solution
Step 1
Given that,
The function
We want to find two solutions of using second-degree Taylor polynomial
Take
We need to find Taylor's polynomial at x =0.
The Taylor series approximation is given by formula,
Step 2
f'(0) =-sin(0) =0
Thus the second-degree Taylors approximation is,
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