Найду корень уравнения: tg (x)=-3
x1 = -7.53223107957784
x2 = 23.8836954563201
x3 = 64.7243999529874
x4 = -79.7888621121431
x5 = -73.5056768049635
x6 = -29.5233796547064
x7 = 67.8659926065772
x8 = -35.806564961886
x9 = -2599.34617029116
x10 = -64.0808988441941
x11 = -42.0897502690656
x12 = -20.098601693937
x13 = -86.0720474193227
x14 = 77.2907705673466
x15 = 89.8571411817058
x16 = -51.5145282298349
x17 = 58.4412146458078
x18 = 96.1403264888853
x19 = -57.7977135370145
x20 = -1.24904577239825
x21 = 45.8748440314486
x22 = 17.6005101491405
x23 = -48.3729355762452
x24 = 36.4500660706793
x25 = 240.653588554016
x26 = 86.715548528116
x27 = 14.4589174955507
x28 = 30.1668807634997
x29 = 42.7332513778588
x30 = -13.8154163867574
x31 = -45.2313429226554
x32 = 80.4323632209364
x33 = -26.3817870011166
x34 = 8.17573218837112
x35 = 1.89254688119154
x36 = 52.1580293386282
x37 = -4022.48764236733
x38 = 74.1491779137568