2 f(w)=i₁ Then, (@cosa-sin @ 00² |ƒ(w) = √ √/²/( 2 (sin @-@cos@ @² Lacal
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
why is the sign flip from (w*cosx-sinw) to (sinw - w*cosx) after they find |f(w)| ?
Transcribed Image Text:b) We know that,
F(@)=i₁ 2 (@cosa-sin@`
² (
元
Then,
2 (sin @-@cos@
@²
|^ (@) = √ √/²7 (²
The plot(") is given below,
y =
-10
0.3-
2 (sin(x) − x cos(x))
AA
15
3.2-
X
y
0.1
0
-0.1)
-02
10
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