Найду корень уравнения: tgx=-0,5
сумма
0 - atan(1/2)
=
-atan(1/2)
произведение
1*-atan(1/2)
=
-atan(1/2)
x1 = 30.9522789268971
x2 = -6.74683291618039
x3 = -75.8618712951559
x4 = -0.463647609000806
x5 = 78.076168730744
x6 = -25.5963888377192
x7 = -19.3132035305396
x8 = 100.067317305873
x9 = 5.81953769817878
x10 = -28.7379814913089
x11 = 81.2177613843338
x12 = 8.96113035176857
x13 = 68.6513907699746
x14 = 24.6690936197175
x15 = 62.3682054627951
x16 = 90.6425393451032
x17 = -94.7114272166946
x18 = -13.03001822336
x19 = 59.2266128092053
x20 = 18.385908312538
x21 = -31.8795741448987
x22 = 74.9345760771542
x23 = -9.88842556977019
x24 = -38.1627594520783
x25 = -47.5875374128477
x26 = -100.994612523874
x27 = 43.5186495412563
x28 = -53.8707227200273
x29 = 40.3770568876665
x30 = -60.1539080272069
x31 = -41.3043521056681
x32 = 49.8018348484359
x33 = -72.7202786415661
x34 = -79.0034639487456
x35 = -69.5786859879763
x36 = 96.9257246522828
x37 = -88.428241909515
x38 = -57.0123153736171
x39 = 56.0850201556155
x40 = -66.4370933343865
x41 = 15.2443156589482
x42 = 87.5009466915134
x43 = -35.0211667984885
x44 = 46.6602421948461
x45 = 27.8106862733073
x46 = -82.1450566023354
x47 = 84.3593540379236
x48 = -85.2866492559252
x49 = -97.8530198702844
x50 = -16.1716108769498
x51 = -22.4547961841294
x52 = -3.6052402625906
x53 = 34.0938715804869
x54 = -63.2955006807967
x55 = 52.9434275020257
x56 = 37.2354642340767
x57 = -44.4459447592579
x58 = 12.1027230053584
x59 = 93.784131998693
x60 = 71.7929834235644
x61 = 2.67794504458899
x62 = 65.5097981163849
x63 = 21.5275009661277
x64 = -50.7291300664375
x65 = -91.5698345631048