Найду корень уравнения: tgx=0
с изменением знака при 0
x1 = -84.8230016469244
x2 = -12.5663706143592
x3 = 75.398223686155
x4 = -50.2654824574367
x5 = -97.3893722612836
x6 = 3.14159265358979
x7 = 15.707963267949
x8 = 59.6902604182061
x9 = 40.8407044966673
x10 = -62.8318530717959
x11 = 21.9911485751286
x12 = -53.4070751110265
x13 = -72.2566310325652
x14 = 9.42477796076938
x15 = 87.9645943005142
x16 = -91.106186954104
x17 = -100.530964914873
x18 = -34.5575191894877
x19 = -47.1238898038469
x20 = -87.9645943005142
x21 = 0.0
x22 = -21.9911485751286
x23 = 37.6991118430775
x24 = -28.2743338823081
x25 = -6.28318530717959
x26 = 43.9822971502571
x27 = 91.106186954104
x28 = -56.5486677646163
x29 = -40.8407044966673
x30 = 94.2477796076938
x31 = -31.4159265358979
x32 = -69.1150383789755
x33 = 47.1238898038469
x34 = 62.8318530717959
x35 = 18.8495559215388
x36 = -37.6991118430775
x37 = 56.5486677646163
x38 = 65.9734457253857
x39 = -59.6902604182061
x40 = -75.398223686155
x41 = -3.14159265358979
x42 = 81.6814089933346
x43 = -18.8495559215388
x44 = 31.4159265358979
x45 = -9.42477796076938
x46 = -15.707963267949
x47 = -43.9822971502571
x48 = 78.5398163397448
x49 = -78.5398163397448
x50 = -81.6814089933346
x51 = 84.8230016469244
x52 = 28.2743338823081
x53 = -25.1327412287183
x54 = -65.9734457253857
x55 = 97.3893722612836
x56 = 69.1150383789755
x57 = 50.2654824574367
x58 = 100.530964914873
x59 = 34.5575191894877
x60 = 6.28318530717959
x61 = 25.1327412287183
x62 = 53.4070751110265
x63 = -94.2477796076938
x64 = 12.5663706143592
x65 = 72.2566310325652