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

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Formula is given first find bn and then put on formula 

HALF RANGE SINE SERIES
Suppose that f(x) satisfies Dirichlet's condition in the interval
0 <x < t
f(x) is an even function of period 2t, then even periodic G(x)
will have a convergent Fourier series representation consisting
of cosine terms only and given by
00
NITX
G(x) = ) bn sin
n=1
b, =5 f(x)sin™
ппх
dx,(n = 0,1,2, ..)
Transcribed Image Text:HALF RANGE SINE SERIES Suppose that f(x) satisfies Dirichlet's condition in the interval 0 <x < t f(x) is an even function of period 2t, then even periodic G(x) will have a convergent Fourier series representation consisting of cosine terms only and given by 00 NITX G(x) = ) bn sin n=1 b, =5 f(x)sin™ ппх dx,(n = 0,1,2, ..)
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.
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