Найду корень уравнения: tg2x=0
с изменением знака при 0
x1 = -45.553093477052
x2 = -86.3937979737193
x3 = -97.3893722612836
x4 = -72.2566310325652
x5 = 31.4159265358979
x6 = 86.3937979737193
x7 = -34.5575191894877
x8 = 50.2654824574367
x9 = 62.8318530717959
x10 = -69.1150383789755
x11 = 1.5707963267949
x12 = 36.1283155162826
x13 = -28.2743338823081
x14 = 4.71238898038469
x15 = 95.8185759344887
x16 = -7.85398163397448
x17 = -73.8274273593601
x18 = -23.5619449019235
x19 = -65.9734457253857
x20 = -100.530964914873
x21 = 87.9645943005142
x22 = -12.5663706143592
x23 = -91.106186954104
x24 = -37.6991118430775
x25 = -21.9911485751286
x26 = -42.4115008234622
x27 = 100.530964914873
x28 = 59.6902604182061
x29 = -36.1283155162826
x30 = -58.1194640914112
x31 = 42.4115008234622
x32 = -6.28318530717959
x33 = 7.85398163397448
x34 = 28.2743338823081
x35 = -14.1371669411541
x36 = -61.261056745001
x37 = -15.707963267949
x38 = 20.4203522483337
x39 = 26.7035375555132
x40 = 78.5398163397448
x41 = -51.8362787842316
x42 = 65.9734457253857
x43 = -94.2477796076938
x44 = -56.5486677646163
x45 = -50.2654824574367
x46 = 14.1371669411541
x47 = -31.4159265358979
x48 = -20.4203522483337
x49 = -78.5398163397448
x50 = -83.2522053201295
x51 = -67.5442420521806
x52 = 72.2566310325652
x53 = -80.1106126665397
x54 = 48.6946861306418
x55 = -1.5707963267949
x56 = 0.0
x57 = 23.5619449019235
x58 = 43.9822971502571
x59 = -75.398223686155
x60 = -17.2787595947439
x61 = 53.4070751110265
x62 = 80.1106126665397
x63 = 56.5486677646163
x64 = 21.9911485751286
x65 = 64.4026493985908
x66 = 89.5353906273091
x67 = -43.9822971502571
x68 = 58.1194640914112
x69 = 40.8407044966673
x70 = 12.5663706143592
x71 = -64.4026493985908
x72 = -3.14159265358979
x73 = 75.398223686155
x74 = 84.8230016469244
x75 = 18.8495559215388
x76 = 67.5442420521806
x77 = 92.6769832808989
x78 = 6.28318530717959
x79 = 34.5575191894877
x80 = -47.1238898038469
x81 = -25.1327412287183
x82 = -9.42477796076938
x83 = 81.6814089933346
x84 = 73.8274273593601
x85 = -95.8185759344887
x86 = -89.5353906273091
x87 = -59.6902604182061
x88 = 37.6991118430775
x89 = 9.42477796076938
x90 = 29.845130209103
x91 = 45.553093477052
x92 = -53.4070751110265
x93 = -87.9645943005142
x94 = 97.3893722612836
x95 = 15.707963267949
x96 = -29.845130209103
x97 = -39.2699081698724
x98 = 70.6858347057703
x99 = 94.2477796076938
x100 = -81.6814089933346
x101 = 51.8362787842316