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2 tan (x) - 3*tan(x) - 4 = 0
-pi x_1 = ---- 4
x_2 = atan(4)
сумма
-pi ---- + atan(4) 4
=
pi - -- + atan(4) 4
произведение
-pi ---- * atan(4) 4
=
-pi*atan(4) ------------ 4
x1 = 18.0641577581413
x2 = -1.81577498992176
x3 = 35.8833368531558
x4 = -47.9092879672443
x5 = -19.6349540849362
x6 = -44.7676953136546
x7 = 5.49778714378214
x8 = 58.9048622548086
x9 = 49.4800842940392
x10 = -38.484510006475
x11 = 14.9225651045515
x12 = -45.7980721401789
x13 = -63.6172512351933
x14 = 14.9225651045516
x15 = 55.7632696012188
x16 = -10.2101761241668
x17 = 24.3473430653209
x18 = 43.1968989868597
x19 = 20.1753735852068
x20 = 64.1576707354639
x21 = -76.1836218495525
x22 = 90.3207887907066
x23 = 33.7721210260903
x24 = 2320.85157283946
x25 = 36.9137136796801
x26 = -30.0901088722299
x27 = 13.8921882780272
x28 = 52.621676947629
x29 = 86.1488193105924
x30 = -41.6261026600648
x31 = 4227.79831356846
x32 = 21.2057504117311
x33 = -52.0812574473585
x34 = -3.92699081698724
x35 = -8.09896029710135
x36 = -23.8069235650503
x37 = -89.780369290436
x38 = 11.7809724509617
x39 = 99.7455667514759
x40 = 62.0464549083984
x41 = 57.8744854282843
x42 = -101.316363078271
x43 = -69.9004365423729
x44 = 27.4889357189107
x45 = 46.3384916404494
x46 = -54.1924732744239
x47 = -2573.74978145344
x48 = 96.6039740978861
x49 = -35.3429173528852
x50 = -96.0635545976156
x51 = -91.8915851175014
x52 = -13.3517687777566
x53 = 87.1791961371168
x54 = 40.0553063332699
x55 = 30.6305283725005
x56 = -25.9181393921158
x57 = -57.3340659280137
x58 = -296.095107600838
x59 = -132.732289614169
x60 = -106284.00646176
x61 = 68.329640215578
x62 = 65.1880475619882
x63 = -85.6083998103219
x64 = 93.4623814442964
x65 = -16.4933614313464
x66 = 8.63937979737193
x67 = -88.7499924639117
x68 = 32.741744199566
x69 = -22.776546738526
x70 = -79.3252145031423
x71 = -66.7588438887831
x72 = 2.35619449019234
x73 = -74.072406022487
x74 = -0.785398163397448
x75 = 42.1665221603353
x76 = 77.7544181763474
x77 = 71.4712328691678
x78 = -67.7892207153074
x79 = -60.4756585816035
x80 = 74.6128255227576
x81 = -32.2013246992954
x82 = 84.037603483527
x83 = -98.174770424681
x84 = -82.4668071567321
x84 = -82.4668071567321