Найду корень уравнения: ctg^2x=0
a*w^2 + b*w + c = 0
D = b^2 - 4 * a * c =
(0)^2 - 4 * (1) * (0) = 0
w = -b/2a = -0/2/(1)
сумма
pi 0 + -- 2
=
pi -- 2
произведение
pi 1*-- 2
=
pi -- 2
x1 = -14.1371668305105
x2 = -26.703536812613
x3 = -32.986723610839
x4 = 29.8451303316444
x5 = 45.553093832613
x6 = -92.6769825938739
x7 = 67.5442424170105
x8 = 70.6858344125139
x9 = -67.5442421798653
x10 = 58.1194643518606
x11 = -89.535390760432
x12 = 20.4203521420402
x13 = 95.8185760748877
x14 = -1.5707964383904
x15 = 51.836278912715
x16 = -23.5619450188486
x17 = 7.85398175057255
x18 = -61.261057087736
x19 = 36.1283156729582
x20 = 4.7123886631263
x21 = -58.119463992756
x22 = 76.96901935541
x23 = -29.8451300929104
x24 = -4.71238821766666
x25 = 17.2787603779221
x26 = -51.8362786880941
x27 = 14.1371671242392
x28 = 10.995573577333
x29 = 32.9867221705586
x30 = 89.5353910016078
x31 = -7.85398149105085
x32 = -95.8185758678225
x33 = -98.960169397804
x34 = 83.2522061688528
x35 = -86.393797669969
x36 = 92.676982995342
x37 = 64.4026493028373
x38 = -20.4203519194525
x39 = -54.9778722058378
x40 = 23.5619452484081
x41 = -39.2699085039414
x42 = -36.1283154116159
x43 = -73.827427279276
x44 = -64.4026490866249
x45 = -48.6946854069453
x46 = 73.8274274937934
x47 = -76.9690208014828
x48 = 26.7035372464116
x49 = -80.1106125739451
x50 = -83.252205671713
x51 = -10.9955750164577
x52 = 42.4115007224479
x53 = -42.4115005031215
x54 = -17.2787599203227
x55 = 54.9778707632433
x56 = 61.261057571149
x57 = 1.57079666438851
x58 = 80.1106131141249
x59 = 98.9601679470804
x60 = -45.5530935993389
x61 = 39.2699089741834
x62 = 86.3937978832136
x63 = 48.6946858295389
x64 = -70.6858340006904