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Question 2 Show that the Fourier Series of the waveform in Figure 2 is 6 1 1 ƒ(x) = 1 + (cos.x- cos 3x + -cos 5x-—-cos 7x +... 2 π 3 -π 10 -π/2 1 Figure 2 π/2 π

Question 2 Show that the Fourier Series of the waveform in Figure 2 is 6 1 1 ƒ(x) = 1 + (cos.x- cos 3x + -cos 5x-—-cos 7x +... 2 π 3 -π 10 -π/2 1 Figure 2 π/2 π

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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hello , I am just going through homework answers my lecturer has written and have  a question on the fourier series. when writing the values of an, a3 is negative. why is that ? and when he puts an into the equation he has turned sine to cosine. 

Question 2 Show that the Fourier Series of the waveform in Figure 2 is 6 1 1 1 ƒ(x) = 1 + (cos.x- cos 3x += cos 5x-—-—cos 7x +... 2 π 3 5 7 1 AMA -π/2 π/2 1 Figure 2
Transcribed Image Text:Question 2 Show that the Fourier Series of the waveform in Figure 2 is 6 1 1 1 ƒ(x) = 1 + (cos.x- cos 3x += cos 5x-—-—cos 7x +... 2 π 3 5 7 1 AMA -π/2 π/2 1 Figure 2
72 a-sinna - 2 [ 25²^1 11 +0] -2/2 [ Spor - Sing (3 STAATE) 6 sin nu ипт " (1 = :: d₁ аз as NIE = 11 DIE 9 377 6 STT 9₂=0 a4=0 a6=0 sinntt =0.
Transcribed Image Text:72 a-sinna - 2 [ 25²^1 11 +0] -2/2 [ Spor - Sing (3 STAATE) 6 sin nu ипт " (1 = :: d₁ аз as NIE = 11 DIE 9 377 6 STT 9₂=0 a4=0 a6=0 sinntt =0.
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