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**Final Exam / Re: FE-P3**

« **on:**December 18, 2018, 11:28:38 AM »

Residue at z=0: 0+cos

Residue at z=kπ, but k≠0: 0-2(kπ)cos(kπ)sin(kπ)+cos

Residue at z=0.5π+kπ: -1+0=-1

^{2}(0)=1Residue at z=kπ, but k≠0: 0-2(kπ)cos(kπ)sin(kπ)+cos

^{2}(kπ)=(-1)^{n}Residue at z=0.5π+kπ: -1+0=-1