Найду корень уравнения: tg^2x+tgx-2=0
a*w^2 + b*w + c = 0
D = b^2 - 4 * a * c =
(1)^2 - 4 * (1) * (-2) = 9
w1 = (-b + sqrt(D)) / (2*a)
w2 = (-b - sqrt(D)) / (2*a)
сумма
pi 0 + -- - atan(2) 4
=
pi -atan(2) + -- 4
произведение
pi 1*--*-atan(2) 4
=
-pi*atan(2) ------------ 4
x1 = -65.1880475619882
x2 = 3.92699081698724
x3 = 16.4933614313464
x4 = -63.93900178959
x5 = -35.6646679072818
x6 = 89.9990382363099
x7 = -40.0553063332699
x8 = 88.7499924639117
x9 = 46.0167410860528
x10 = 10.2101761241668
x11 = -5.49778714378214
x12 = 32.2013246992954
x13 = 68.0078896611814
x14 = -19.9567046393328
x15 = 14.6008145501549
x16 = -27.4889357189107
x17 = 44.7676953136546
x18 = -62.0464549083984
x19 = 74.2910749683609
x20 = 58.583111700412
x21 = 8.31762924297529
x22 = -68.329640215578
x23 = 66.7588438887831
x24 = -43.1968989868597
x25 = 19.6349540849362
x26 = -55.7632696012188
x27 = -2495.53171566809
x28 = 54.1924732744239
x29 = -92.2133356718981
x30 = 22.776546738526
x31 = 60.4756585816035
x32 = -24.3473430653209
x33 = -10181.1163921211
x34 = 47.9092879672443
x35 = 98.174770424681
x36 = -90.3207887907066
x37 = -33.7721210260903
x38 = 2.0344439357957
x39 = -18.0641577581413
x40 = 76.1836218495525
x41 = -4.24874137138388
x42 = -99.7455667514759
x43 = 12068.8918263742
x44 = -85.9301503647185
x45 = -30.6305283725005
x46 = -77.7544181763474
x47 = -93.4623814442964
x48 = 24.0255925109243
x49 = -57.6558164824104
x50 = -794.03754319482
x51 = 91.8915851175014
x52 = 69.9004365423729
x53 = 52.2999263932324
x54 = 38.484510006475
x55 = 13.3517687777566
x56 = -21.2057504117311
x57 = 41.6261026600648
x58 = 30.3087778181038
x59 = -48.231038521641
x60 = -52.621676947629
x61 = -11.7809724509617
x62 = -13.6735193321533
x63 = 82.4668071567321
x64 = 110.74114103904
x65 = -8.63937979737193
x66 = -71.4712328691678
x67 = -96.6039740978861
x68 = -26.2398899465124
x69 = -74.6128255227576
x70 = -2.35619449019234
x71 = 113.88273369263
x72 = 63.6172512351933
x73 = 29.0597320457056
x74 = -70.2221870967695
x75 = -46.3384916404494
x76 = -79.6469650575389
x77 = 85.6083998103219
x78 = 25.9181393921158
x79 = 96.2822235434895
x80 = -41.9478532144614
x81 = -84.037603483527
x82 = 0.785398163397448
x83 = 80.5742602755405
x84 = -49.4800842940392
x85 = -87.1791961371168