Найду корень уравнения: tan(3*x)=0
с изменением знака при 0
x1 = 65.9734457253857
x2 = -11.5191730631626
x3 = 59.6902604182061
x4 = 56.5486677646163
x5 = -17.8023583703422
x6 = 80.634211442138
x7 = -74.3510261349584
x8 = -83.7758040957278
x9 = 58.6430628670095
x10 = -52.3598775598299
x11 = -57.5958653158129
x12 = 34.5575191894877
x13 = 41.8879020478639
x14 = 92.1533845053006
x15 = 17.8023583703422
x16 = 98.4365698124802
x17 = -24.0855436775217
x18 = -90.0589894029074
x19 = 19.8967534727354
x20 = -28.2743338823081
x21 = 10.471975511966
x22 = 0.0
x23 = 46.0766922526503
x24 = -13.6135681655558
x25 = 43.9822971502571
x26 = -96.342174710087
x27 = -33.5103216382911
x28 = -72.2566310325652
x29 = -68.0678408277789
x30 = 8.37758040957278
x31 = 90.0589894029074
x32 = 37.6991118430775
x33 = -30.3687289847013
x34 = -59.6902604182061
x35 = 28.2743338823081
x36 = 83.7758040957278
x37 = -48.1710873550435
x38 = 78.5398163397448
x39 = 68.0678408277789
x40 = -19.8967534727354
x41 = -50.2654824574367
x42 = 94.2477796076938
x43 = 2.0943951023932
x44 = -75.398223686155
x45 = -31.4159265358979
x46 = 39.7935069454707
x47 = -7.33038285837618
x48 = -79.5870138909414
x49 = 14.6607657167524
x50 = -4.18879020478639
x51 = 12.5663706143592
x52 = 72.2566310325652
x53 = 54.4542726622231
x54 = -70.162235930172
x55 = -26.1799387799149
x56 = -87.9645943005142
x57 = -55.5014702134197
x58 = 21.9911485751286
x59 = -92.1533845053006
x60 = -65.9734457253857
x61 = -46.0766922526503
x62 = 81.6814089933346
x63 = -85.870199198121
x64 = -37.6991118430775
x65 = -15.707963267949
x66 = -39.7935069454707
x67 = 87.9645943005142
x68 = 70.162235930172
x69 = -43.9822971502571
x70 = 4.18879020478639
x71 = 32.4631240870945
x72 = 85.870199198121
x73 = 26.1799387799149
x74 = 61.7846555205993
x75 = 96.342174710087
x76 = 76.4454212373516
x77 = -61.7846555205993
x78 = -2.0943951023932
x79 = 48.1710873550435
x80 = 36.6519142918809
x81 = -6.28318530717959
x82 = -9.42477796076938
x83 = 15.707963267949
x84 = -53.4070751110265
x85 = 63.8790506229925
x86 = -21.9911485751286
x87 = 50.2654824574367
x88 = -35.6047167406843
x89 = 52.3598775598299
x90 = 24.0855436775217
x91 = -41.8879020478639
x92 = -94.2477796076938
x93 = -63.8790506229925
x94 = -81.6814089933346
x95 = 30.3687289847013
x96 = -77.4926187885482
x97 = -99.4837673636768
x98 = 100.530964914873
x99 = 6.28318530717959
x100 = -97.3893722612836
x101 = 74.3510261349584