So Let f(r) I - 2 {: 2 for 0

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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5
{e) = {: 2
for 0 < a < 2,
for 2 <x < 4.
Let
Compute the Fourier cosine coefficients for f(x).
Ao
-1
An
(2/(n^2pi^2))((cos2npi)/4-1)
00
Ao
NA
+ )`An cos ( x
4
Give values for the Fourier cosine series C(x)
n=1
C(4) =
• C(-3) :
C(5) =
I already got the first two right, l'm having trouble
with the second part, would you mind explaining
step by step?
Transcribed Image Text:5 {e) = {: 2 for 0 < a < 2, for 2 <x < 4. Let Compute the Fourier cosine coefficients for f(x). Ao -1 An (2/(n^2pi^2))((cos2npi)/4-1) 00 Ao NA + )`An cos ( x 4 Give values for the Fourier cosine series C(x) n=1 C(4) = • C(-3) : C(5) = I already got the first two right, l'm having trouble with the second part, would you mind explaining step by step?
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