Найду корень уравнения: sin(2*x) = 0
с изменением знака при 0
x1 = -72.2566310325652
x2 = -483.805268652828
x3 = -87.9645943005142
x4 = -83.2522053201295
x5 = -95.8185759344887
x6 = 58.1194640914112
x7 = -59.6902604182061
x8 = 67.5442420521806
x9 = 12.5663706143592
x10 = 72.2566310325652
x11 = 95.8185759344887
x12 = -1.5707963267949
x13 = 94.2477796076938
x14 = -21.9911485751286
x15 = 64.4026493985908
x16 = -37.6991118430775
x17 = -23.5619449019235
x18 = 15.707963267949
x19 = -65.9734457253857
x20 = -97.3893722612836
x21 = 7.85398163397448
x22 = -51.8362787842316
x23 = 0.0
x24 = 31.4159265358979
x25 = -48.6946861306418
x26 = -81.6814089933346
x27 = 87.9645943005142
x28 = 50.2654824574367
x29 = -43.9822971502571
x30 = -7.85398163397448
x31 = -39.2699081698724
x32 = -14.1371669411541
x33 = 26.7035375555132
x34 = 14.1371669411541
x35 = 86.3937979737193
x36 = 590.619418874881
x37 = 70.6858347057703
x38 = -61.261056745001
x39 = 6.28318530717959
x40 = -28.2743338823081
x41 = -9.42477796076938
x42 = 59.6902604182061
x43 = 51.8362787842316
x44 = 43.9822971502571
x45 = 100.530964914873
x46 = -42.4115008234622
x47 = 78.5398163397448
x48 = -6.28318530717959
x49 = 80.1106126665397
x50 = 4.71238898038469
x51 = 23.5619449019235
x52 = -53.4070751110265
x53 = 29.845130209103
x54 = -119.380520836412
x55 = 65.9734457253857
x56 = 92.6769832808989
x57 = -89.5353906273091
x58 = -31.4159265358979
x59 = -17.2787595947439
x60 = -20.4203522483337
x61 = 28.2743338823081
x62 = -29.845130209103
x63 = -15.707963267949
x64 = 113.097335529233
x65 = 45.553093477052
x66 = 20.4203522483337
x67 = -75.398223686155
x68 = 34.5575191894877
x69 = -45.553093477052
x70 = 48.6946861306418
x71 = 56.5486677646163
x72 = 36.1283155162826
x73 = 42.4115008234622
x74 = -80.1106126665397
x75 = -73.8274273593601
x76 = 89.5353906273091
x77 = -64.4026493985908
x78 = 81.6814089933346
x79 = -67.5442420521806
x80 = 1.5707963267949
x81 = 21.9911485751286
x82 = -86.3937979737193
x83 = -40.8407044966673
x84 = -94.2477796076938
x85 = 37.6991118430775
x86 = -50.2654824574367
x87 = -58.1194640914112
x88 = -36.1283155162826
x89 = 73.8274273593601