If f(x) has the Fourier transform F(p), then f(x) cos ax has the Fourier transform [F(p-a) + F(p + a)].

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.5: Rational Functions
Problem 50E
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If f(x) has the Fourier transform F(p), then f(x) cos ax has the Fourier
transform } [F(p − a) + F(p + a)].
Transcribed Image Text:If f(x) has the Fourier transform F(p), then f(x) cos ax has the Fourier transform } [F(p − a) + F(p + a)].
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