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сумма
-acos(3/8) + 2*pi + acos(3/8)
=
2*pi
произведение
-acos(3/8) + 2*pi * acos(3/8)
=
(-acos(3/8) + 2*pi)*acos(3/8)
x_1 = -acos(3/8) + 2*pi
x_2 = acos(3/8)
x1 = -23.9463416764191
x2 = -38.8855113953768
x3 = -1.18639955229926
x4 = 70.3014379312747
x5 = -13.7527701666584
x6 = 42.7958975979578
x7 = -42.7958975979578
x8 = -82.8678085456339
x9 = -61.6454535194966
x10 = 93.0613800553945
x11 = -76.5846232384543
x12 = -89.1509938528135
x13 = 20.035955473838
x14 = 38.8855113953768
x15 = -32.6023260881972
x16 = -70.3014379312747
x17 = 13.7527701666584
x18 = -20.035955473838
x19 = -7.46958485947884
x20 = 64.0182526240951
x21 = 1.18639955229926
x22 = 80.4950094410354
x23 = 32.6023260881972
x24 = 82.8678085456339
x25 = -74.2118241338558
x26 = -5.09678575488033
x27 = 74.2118241338558
x28 = 76.5846232384543
x29 = 51.4518820097359
x30 = 61.6454535194966
x31 = -7281.02537146884
x32 = -11.3799710620599
x33 = -64.0182526240951
x34 = -30.2295269835987
x35 = -55.362268212317
x36 = 105.627750669754
x37 = 17.6631563692395
x38 = 23.9463416764191
x39 = 30.2295269835987
x40 = 26.3191407810176
x41 = -26.3191407810176
x42 = 36.5127122907783
x43 = -93.0613800553945
x44 = 55.362268212317
x45 = 7.46958485947884
x46 = -86.778194748215
x47 = 89.1509938528135
x48 = 99.3445653625741
x49 = -17.6631563692395
x50 = 67.9286388266762
x51 = 11.3799710620599
x52 = -99.3445653625741
x53 = -67.9286388266762
x54 = 49.0790829051374
x55 = -36.5127122907783
x56 = -95.4341791599931
x57 = -80.4950094410354
x58 = -45.1686967025564
x59 = 5.09678575488033
x60 = -57.7350673169155
x61 = 45.1686967025564
x62 = 86.778194748215
x63 = -49.0790829051374
x64 = 95.4341791599931
x65 = -51.4518820097359
x66 = 57.7350673169155
x66 = 57.7350673169155