Найду корень уравнения: ctgx+3=0
сумма
0 - acot(3)
=
-acot(3)
произведение
1*-acot(3)
=
-acot(3)
x1 = 84.5012510925278
x2 = -53.7288256654231
x3 = -47.4456403582435
x4 = 1061.53656635895
x5 = 49.9437319030401
x6 = -25.454491783115
x7 = -75.7199742405517
x8 = 27.9525833279115
x9 = 100.209214360477
x10 = 31.0941759815013
x11 = 71.9348804781686
x12 = 12.2446200599625
x13 = 93.9260290532972
x14 = -6.60493586157623
x15 = -60.0120109726027
x16 = -16.0297138223456
x17 = 5.96143475278294
x18 = 40.5189539422707
x19 = -69.4367889333721
x20 = 62.5101025173992
x21 = -31.7376770902946
x22 = -166.826161194656
x23 = 2.81984209919315
x24 = -9.74652851516602
x25 = -100.85271546927
x26 = -94.5695301620904
x27 = -38.0208623974742
x28 = 78.2180657853482
x29 = 34.2357686350911
x30 = 20055.6057499628
x31 = 46.8021392494503
x32 = -82.0031595477313
x33 = -107.13590077645
x34 = -3.46334320798644
x35 = 43.6605465958605
x36 = 112.775584974836
x37 = -50.5872330118333
x38 = 56.2269172102196
x39 = -41.162455051064
x40 = -97.7111228156802