de 14) 55+ Acos e sin de 5+ 4 cos e 13) 2 - cos 15)...

Question

Question

de 14) 55+ Acos e sin de 5+ 4 cos e 13) 2 - cos 15) cos 2 de 1-2k cos A + k? < 1)

math Advanced-Math

Answer 1

Answer #1

था z=ezo 늘 (13) do A-COSA dz iz iz 0 2 dz= żeza de } 자쪽 12 = dz ~ 리 1 니러 은후 때터 래스 aż s dz 리대 (2)) 2u 랑 dz 2245 a는 11 (2883(2-

I use residue to solve this problem

Answer 2

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