Найду корень уравнения: sin^2(x)-0,25=0
a*w^2 + b*w + c = 0
D = b^2 - 4 * a * c =
(0)^2 - 4 * (1) * (-1/4) = 1
w1 = (-b + sqrt(D)) / (2*a)
w2 = (-b - sqrt(D)) / (2*a)
сумма
pi pi 5*pi 7*pi 0 - -- + -- + ---- + ---- 6 6 6 6
=
2*pi
произведение
-pi pi 5*pi 7*pi 1*----*--*----*---- 6 6 6 6
=
4 -35*pi ------- 1296
x1 = -19.3731546971371
x2 = -68.5914396033772
x3 = 40.317105721069
x4 = 5.75958653158129
x5 = 91.6297857297023
x6 = -85.3466004225227
x7 = -24.60914245312
x8 = -3.66519142918809
x9 = 22.5147473507269
x10 = 88.4881930761125
x11 = 47.6474885794452
x12 = 74.8746249105567
x13 = 84.2994028713261
x14 = -93.7241808320955
x15 = -35.081117965086
x16 = 82.2050077689329
x17 = 90.5825881785057
x18 = 0.523598775598299
x19 = 46.6002910282486
x20 = -34.0339204138894
x21 = -53.9306738866248
x22 = -81.1578102177363
x23 = 30.8923277602996
x24 = 19.3731546971371
x25 = -46.6002910282486
x26 = -12.0427718387609
x27 = -21.4675497995303
x28 = -56.025068989018
x29 = -27.7507351067098
x30 = -31.9395253114962
x31 = -18.3259571459405
x32 = 53.9306738866248
x33 = 62.3082542961976
x34 = -60.2138591938044
x35 = 18.3259571459405
x36 = 27.7507351067098
x37 = -78.0162175641465
x38 = -16.2315620435473
x39 = 3.66519142918809
x40 = 41.3643032722656
x41 = 44.5058959258554
x42 = -43.4586983746588
x43 = -87.4409955249159
x44 = 52.8834763354282
x45 = -2.61799387799149
x46 = -69.6386371545737
x47 = 125.140107367993
x48 = 34.0339204138894
x49 = 69.6386371545737
x50 = 2.61799387799149
x51 = -71.733032256967
x52 = 63.3554518473942
x53 = 78.0162175641465
x54 = 66.497044500984
x55 = -91.6297857297023
x56 = 25.6563400043166
x57 = 8.90117918517108
x58 = -25.6563400043166
x59 = -40.317105721069
x60 = -97.9129710368819
x61 = -63.3554518473942
x62 = -82.2050077689329
x63 = -62.3082542961976
x64 = -65.4498469497874
x65 = -41.3643032722656
x66 = 60.2138591938044
x67 = 49.7418836818384
x68 = 100.007366139275
x69 = -47.6474885794452
x70 = 97.9129710368819
x71 = -5.75958653158129
x72 = 68.5914396033772
x73 = 56.025068989018
x74 = -100.007366139275
x75 = 9.94837673636768
x76 = 31.9395253114962
x77 = 75.9218224617533
x78 = 1169.196065911
x79 = 71.733032256967
x80 = -49.7418836818384
x81 = 12.0427718387609
x82 = -13.0899693899575
x83 = 96.8657734856853
x84 = -217.293491873294
x85 = -38.2227106186758
x86 = 38.2227106186758
x87 = 93.7241808320955
x88 = -75.9218224617533
x89 = -90.5825881785057
x90 = 85.3466004225227
x91 = -84.2994028713261
x92 = 24.60914245312
x93 = 16.2315620435473
x94 = 131.423292675173
x95 = -9.94837673636768