Найду корень уравнения: ctg(x) = 0
x1 = -95.8185759344887
x2 = 58.1194640914112
x3 = 73.8274273593601
x4 = 51.8362787842316
x5 = 83.2522053201295
x6 = 42.4115008234622
x7 = -51.8362787842316
x8 = -1.5707963267949
x9 = -92.6769832808989
x10 = -70.6858347057703
x11 = 54.9778714378214
x12 = -58.1194640914112
x13 = 26.7035375555132
x14 = -10.9955742875643
x15 = 29.845130209103
x16 = -80.1106126665397
x17 = -29.845130209103
x18 = 92.6769832808989
x19 = 14.1371669411541
x20 = 23.5619449019235
x21 = -7.85398163397448
x22 = 89.5353906273091
x23 = -45.553093477052
x24 = 95.8185759344887
x25 = -64.4026493985908
x26 = 64.4026493985908
x27 = 39.2699081698724
x28 = 10.9955742875643
x29 = -76.9690200129499
x30 = -39.2699081698724
x31 = 36.1283155162826
x32 = -86.3937979737193
x33 = -89.5353906273091
x34 = -42.4115008234622
x35 = 20.4203522483337
x36 = -14.1371669411541
x37 = -98.9601685880785
x38 = 76.9690200129499
x39 = 32.9867228626928
x40 = -54.9778714378214
x41 = 48.6946861306418
x42 = -67.5442420521806
x43 = -48.6946861306418
x44 = 80.1106126665397
x45 = -17.2787595947439
x46 = 1.5707963267949
x47 = 4.71238898038469
x48 = -36.1283155162826
x49 = -83.2522053201295
x50 = 45.553093477052
x51 = -23.5619449019235
x52 = -26.7035375555132
x53 = -4.71238898038469
x54 = 61.261056745001
x55 = 67.5442420521806
x56 = 70.6858347057703
x57 = -20.4203522483337
x58 = -73.8274273593601
x59 = -61.261056745001
x60 = -32.9867228626928
x61 = 98.9601685880785
x62 = 7.85398163397448
x63 = 17.2787595947439
x64 = 86.3937979737193