Sethmumu Sethmumu

22-01-2018
Mathematics

contestada

156x6−624x4212x6−264x4+14x2−1=11+xcos4π9+11+xcos2π9+11−xcosπ9

I have no any idea.
help me

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joshuaharris234 joshuaharris234

23-01-2018

i think its pie 4829.22

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