Найду корень уравнения: tg^2x=3
a*w^2 + b*w + c = 0
D = b^2 - 4 * a * c =
(0)^2 - 4 * (1) * (-3) = 12
w1 = (-b + sqrt(D)) / (2*a)
w2 = (-b - sqrt(D)) / (2*a)
сумма
pi pi 0 - -- + -- 3 3
=
0
произведение
-pi pi 1*----*-- 3 3
=
2 -pi ----- 9
-pi x1 = ---- 3
pi x2 = -- 3
x1 = 74.3510261349584
x2 = 5253.79011435333
x3 = -55.5014702134197
x4 = 83.7758040957278
x5 = 33.5103216382911
x6 = -52771.4261974501
x7 = 13.6135681655558
x8 = -99.4837673636768
x9 = -16.7551608191456
x10 = -96.342174710087
x11 = 26.1799387799149
x12 = -33.5103216382911
x13 = -85.870199198121
x14 = 48.1710873550435
x15 = 16883.9661179427
x16 = -90.0589894029074
x17 = 39.7935069454707
x18 = 68.0678408277789
x19 = -30.3687289847013
x20 = -51.3126800086333
x21 = -38.7463093942741
x22 = -52.3598775598299
x23 = 10.471975511966
x24 = 2.0943951023932
x25 = -16403.3024419435
x26 = -79.5870138909414
x27 = -26.1799387799149
x28 = 54.4542726622231
x29 = -48.1710873550435
x30 = 98.4365698124802
x31 = -92.1533845053006
x32 = -4.18879020478639
x33 = -39.7935069454707
x34 = -74.3510261349584
x35 = -63.8790506229925
x36 = -24.0855436775217
x37 = 80.634211442138
x38 = 90.0589894029074
x39 = -35.6047167406843
x40 = 96.342174710087
x41 = 63.8790506229925
x42 = 8.37758040957278
x43 = 24.0855436775217
x44 = -13.6135681655558
x45 = -8.37758040957278
x46 = 19.8967534727354
x47 = -322.536845768552
x48 = 237.713844121628
x49 = 61.7846555205993
x50 = 85.870199198121
x51 = -61.7846555205993
x52 = 17.8023583703422
x53 = -19.8967534727354
x54 = -41.8879020478639
x55 = 41.8879020478639
x56 = -46.0766922526503
x57 = 52.3598775598299
x58 = -77.4926187885482
x59 = 70.162235930172
x60 = -2.0943951023932
x61 = 4.18879020478639
x62 = 76.4454212373516
x63 = -70.162235930172
x64 = -57.5958653158129
x65 = -11.5191730631626
x66 = 32.4631240870945
x67 = -56283.7267841635
x68 = -17.8023583703422
x69 = 57.5958653158129
x70 = -68.0678408277789
x71 = 30.3687289847013
x72 = 11.5191730631626
x73 = 92.1533845053006
x74 = 36.6519142918809
x75 = 46.0766922526503
x76 = -83.7758040957278
x77 = -60.7374579694027