Найду корень уравнения: tan(x/2)+1=0
Перенесём 1 в правую часть ур-ния
с изменением знака при 1
x1 = -95.8185759344887
x2 = 73.8274273593601
x3 = 86.3937979737193
x4 = 42.4115008234622
x5 = -51.8362787842316
x6 = -1.5707963267949
x7 = -70.6858347057703
x8 = 54.9778714378214
x9 = -58.1194640914112
x10 = 92.6769832808989
x11 = 23.5619449019235
x12 = -7.85398163397448
x13 = -45.553093477052
x14 = -64.4026493985908
x15 = -76.9690200129499
x16 = 10.9955742875643
x17 = -39.2699081698724
x18 = 36.1283155162826
x19 = -89.5353906273091
x20 = -14.1371669411541
x21 = 48.6946861306418
x22 = 80.1106126665397
x23 = 4.71238898038469
x24 = -83.2522053201295
x25 = -26.7035375555132
x26 = 61.261056745001
x27 = 67.5442420521806
x28 = -102.101761241668
x29 = -20.4203522483337
x30 = -32.9867228626928
x31 = 98.9601685880785
x32 = 17.2787595947439
x33 = 29.845130209103