how to calculate the fourier transform and plot it of m(t)=cos(2*pi*9*t) 0<t<3 and m(t)=0 otherwise

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sameh mostafa
sameh mostafa 2016-3-15
how to calculate the fourier transform and plot it of m(t)=cos(2*pi*9*t) 0<t<3 and m(t)=0 otherwise

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