Let f(x) be a function of period 27 such that TT - x, 0 < x

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.2: Exponential Functions
Problem 58E
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Let f(z) be a function of period 27 such that T—z, 0
Let f(x) be a function of period 27 such that
|T - x,
0 < x <T
f(x) :
0,
T < x < 2T
a) Sketch a graph of f(x) in the interval -2T < x < 27
b) Show that the Fourier series for f(x) in the interval0 < x < 2n is
2
COs x +
1
cos 3x +
32
1
cos 5x +
52
..
4
1
sin 2x +
1
1
sin 3x + -
4
sin x +
sin 4x +
..
c) By giving an appropriate value to x, show that
1
1+
32
+...
52
8.
Transcribed Image Text:Let f(x) be a function of period 27 such that |T - x, 0 < x <T f(x) : 0, T < x < 2T a) Sketch a graph of f(x) in the interval -2T < x < 27 b) Show that the Fourier series for f(x) in the interval0 < x < 2n is 2 COs x + 1 cos 3x + 32 1 cos 5x + 52 .. 4 1 sin 2x + 1 1 sin 3x + - 4 sin x + sin 4x + .. c) By giving an appropriate value to x, show that 1 1+ 32 +... 52 8.
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