Найду корень уравнения: 2tg^2x+3tgx=0
2 2*tan (x) + 3*tan(x) = 0
a*w^2 + b*w + c = 0
D = b^2 - 4 * a * c =
(3)^2 - 4 * (2) * (0) = 9
w1 = (-b + sqrt(D)) / (2*a)
w2 = (-b - sqrt(D)) / (2*a)
x1 = 0
x2 = -atan(3/2)
сумма
0 + 0 - atan(3/2)
=
-atan(3/2)
произведение
1*0*-atan(3/2)
=
0
x1 = -97.3893722612836
x2 = -72.2566310325652
x3 = 31.4159265358979
x4 = 68.1322446557281
x5 = -34.5575191894877
x6 = 50.2654824574367
x7 = -79.5226100629922
x8 = 80.6986152700873
x9 = 62.8318530717959
x10 = -69.1150383789755
x11 = -28.2743338823081
x12 = -85.8057953701718
x13 = -65.9734457253857
x14 = -100.530964914873
x15 = 87.9645943005142
x16 = 91.106186954104
x17 = -91.106186954104
x18 = -12.5663706143592
x19 = -37.6991118430775
x20 = -21.9911485751286
x21 = 83.8402079236771
x22 = 100.530964914873
x23 = 21.0083548518812
x24 = 59.6902604182061
x25 = -19.8323496447861
x26 = -6.28318530717959
x27 = 24.149947505471
x28 = 28.2743338823081
x29 = 96.4065785380363
x30 = -62.8318530717959
x31 = -15.707963267949
x32 = 36.7163181198302
x33 = 78.5398163397448
x34 = 8.44198423752205
x35 = 65.9734457253857
x36 = -94.2477796076938
x37 = -56.5486677646163
x38 = -50.2654824574367
x39 = -40.8407044966673
x40 = -31.4159265358979
x41 = -13.5491643376065
x42 = 3.14159265358979
x43 = 42.9995034270098
x44 = 58.7074666949587
x45 = -84.8230016469244
x46 = -78.5398163397448
x47 = 72.2566310325652
x48 = 52.4242813877792
x49 = 0.0
x50 = 43.9822971502571
x51 = -75.398223686155
x52 = 53.4070751110265
x53 = 56.5486677646163
x54 = 21.9911485751286
x55 = -92.0889806773513
x56 = 74.4154299629077
x57 = -43.9822971502571
x58 = -18.8495559215388
x59 = 40.8407044966673
x60 = 12.5663706143592
x61 = -3.14159265358979
x62 = 75.398223686155
x63 = 84.8230016469244
x64 = 18.8495559215388
x65 = -57.5314614878636
x66 = -63.8146467950432
x67 = 25.1327412287183
x68 = 6.28318530717959
x69 = 34.5575191894877
x70 = 47.1238898038469
x71 = -47.1238898038469
x72 = -25.1327412287183
x73 = -9.42477796076938
x74 = 81.6814089933346
x75 = -70.0978321022228
x76 = 90.1233932308567
x77 = -35.5403129127351
x78 = 2.15879893034246
x79 = -59.6902604182061
x80 = 37.6991118430775
x81 = 9.42477796076938
x82 = -53.4070751110265
x83 = 30.4331328126506
x84 = -87.9645943005142
x85 = 46.1410960805996
x86 = -41.8234982199146
x87 = 97.3893722612836
x88 = 15.707963267949
x89 = 69.1150383789755
x90 = 94.2477796076938
x91 = -81.6814089933346