🚀 go-pugleaf

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$@LdBj!!(J1/2 + cos t + cos 2t +...+ cos{(n-1)t}
$@!!!!!!!a(J 2*sin(n-t/2)/sin(t/2)

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$@!!!!!!(Jr = (1/2)*{1/sin(t/2)}$@!!(J------------------------- (1)

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$@!!!!!!(Jl = cos 2t + cos t + 1 + cos t + cos 2t --------- (2)

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$@!!!!!!(Jl = 2*r*sin(5t/2)  ------------------------------ (3)

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        Kazuo Sano    faculty of ECoNomics    Fukui Pref. Univ.
         0776-61-6000(FAX:6014)    sano@antares.ecn.fpu.ac.jp
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