4. Find the half-range Fourier cosine series for the function f(x)=sin-x in the range 0

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.4: Values Of The Trigonometric Functions
Problem 19E
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4. Find the half-range Fourier cosine series for the function f(x)=sinx in the range 0<x<n
Sketch the function within and outside of the given range.
5. Find the half-range Fourier sine series for the function f (x)=x in the range 0<r<3.Sketch the
function within and outside of the given range.
Transcribed Image Text:4. Find the half-range Fourier cosine series for the function f(x)=sinx in the range 0<x<n Sketch the function within and outside of the given range. 5. Find the half-range Fourier sine series for the function f (x)=x in the range 0<r<3.Sketch the function within and outside of the given range.
Half range Fourier sine series
(cont.)
So that the half range Fourier sine series
representation of f(x) is :
f(x) = £ bn sin
L
Σ
n=1
Where
2 L
f(=) sin ()
(*)
bn =
dr.
• NB: integration is done on the interval 0< x < L, i.e.
where function f(x) is defined.
Transcribed Image Text:Half range Fourier sine series (cont.) So that the half range Fourier sine series representation of f(x) is : f(x) = £ bn sin L Σ n=1 Where 2 L f(=) sin () (*) bn = dr. • NB: integration is done on the interval 0< x < L, i.e. where function f(x) is defined.
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