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**1. We are supposed to find a fourier series knowing only f(t)= acos(kt)+bcos(kt)**

and some values of fourier coefficients...

please see #2 on this link http://www.math.ubc.ca/~oyilmaz/courses/m267/hmk3.pdf [Broken]

and some values of fourier coefficients...

please see #2 on this link http://www.math.ubc.ca/~oyilmaz/courses/m267/hmk3.pdf [Broken]

**2. im using c**

_{k}=1/2pi [tex]\intf(t)e^{-ikt}[/tex]dt**3. are we supposed to convert f(t) into expnential form? i got 4 different expos thus 4 integrations, i have no idea which method i should solve it...**

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