Consider the following functions f(x) = sin(x) and g(x) = /8 cos(x). (a) Determine the linearization functions, L₁(x) and L₂(x), for f(x) and g(x), respectively at the center x = T. (b) Use L₁(x) and L₂(x) to estimate sin(3) and 8 cos(3), respectively. (c) Are the approximations L₁(x) and L₂(x) overestimating or underestimating? Sustain your claim using the second derivative.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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**Consider the following functions** \( f(x) = \sin(x) \) and \( g(x) = \sqrt[3]{8 \cos(x)} \).

**(a)** Determine the linearization functions, \( L_1(x) \) and \( L_2(x) \), for \( f(x) \) and \( g(x) \), respectively at the center \( x = \pi \).

**(b)** Use \( L_1(x) \) and \( L_2(x) \) to estimate \(\sin(3)\) and \(\sqrt[3]{8 \cos(3)}\), respectively.

**(c)** Are the approximations \( L_1(x) \) and \( L_2(x) \) overestimating or underestimating? Sustain your claim using the second derivative.

**(d)** Compute and compare \( |f''(\pi)| \) and \( |g''(\pi)| \) to determine which approximation is more accurate.
Transcribed Image Text:**Consider the following functions** \( f(x) = \sin(x) \) and \( g(x) = \sqrt[3]{8 \cos(x)} \). **(a)** Determine the linearization functions, \( L_1(x) \) and \( L_2(x) \), for \( f(x) \) and \( g(x) \), respectively at the center \( x = \pi \). **(b)** Use \( L_1(x) \) and \( L_2(x) \) to estimate \(\sin(3)\) and \(\sqrt[3]{8 \cos(3)}\), respectively. **(c)** Are the approximations \( L_1(x) \) and \( L_2(x) \) overestimating or underestimating? Sustain your claim using the second derivative. **(d)** Compute and compare \( |f''(\pi)| \) and \( |g''(\pi)| \) to determine which approximation is more accurate.
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