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