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