Let P2(x) be the second-order Taylor polynomial for cos x centered at æ = 0. Suppose that P2(x) is used to approximate cos for |æ| < 0.6. The error in this approximation is the absolute value of the difference between the actual value and the approximation. That is, Error = |P2(x) – cos x|. Use the Taylor series remainder estimate to bound the error in the approximation. Your answer should be a number; that is, you should give a bound for the error which works for all a in the given interval. Hint: Notice that the second- and third-order Taylor polynomials are the same. So you could think of your approximation of cos x as a second-order approximation OR a third-order approximation. Which one gives you a better bound? Error < Use the alternating series remainder estimate to bound the error in the approximation. Your answer should be a number; that is, give a bound for the error which works for all x in the given interval. Error < |

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section: Chapter Questions
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Let P2(x) be the second-order Taylor polynomial for cos x centered at x = 0. Suppose that P2(x) is used to approximate cos x for x < 0.6.
The error in this approximation is the absolute value of the difference between the actual value and the approximation. That is, Error =
|P2(x) – cos x| :
Use the Taylor series remainder estimate to bound the error in the approximation. Your answer should be a number; that is, you should give a bound for the error
which works for all x in the given interval.
Hint: Notice that the second- and third-order Taylor polynomials are the same. So you could think of your approximation of cos x as a second-order approximation
OR a third-order approximation. Which one gives you a better bound?
Error <
Use the alternating series remainder estimate to bound the error in the approximation. Your answer should be a number; that is, give a bound for the error which
works for all x in the given interval.
Error <
出
Transcribed Image Text:Let P2(x) be the second-order Taylor polynomial for cos x centered at x = 0. Suppose that P2(x) is used to approximate cos x for x < 0.6. The error in this approximation is the absolute value of the difference between the actual value and the approximation. That is, Error = |P2(x) – cos x| : Use the Taylor series remainder estimate to bound the error in the approximation. Your answer should be a number; that is, you should give a bound for the error which works for all x in the given interval. Hint: Notice that the second- and third-order Taylor polynomials are the same. So you could think of your approximation of cos x as a second-order approximation OR a third-order approximation. Which one gives you a better bound? Error < Use the alternating series remainder estimate to bound the error in the approximation. Your answer should be a number; that is, give a bound for the error which works for all x in the given interval. Error < 出
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