Найду корень уравнения: cos(1-x)=1/2
pi x1 = 1 + -- 3
5*pi x2 = 1 + ---- 3
сумма
pi 5*pi 1 + -- + 1 + ---- 3 3
=
2 + 2*pi
произведение
/ pi\ / 5*pi\ |1 + --|*|1 + ----| \ 3 / \ 3 /
=
(3 + pi)*(3 + 5*pi) ------------------- 9
x1 = 94.2005820564972
x2 = -50.3126800086333
x3 = 169.598805742652
x4 = 6.23598775598299
x5 = -54.5014702134197
x6 = 50.2182849062401
x7 = -37.7463093942741
x8 = -41.9350995990605
x9 = -2946.86110661842
x10 = -23.0855436775217
x11 = 100.483767363677
x12 = 64.8790506229925
x13 = -73.3510261349584
x14 = -475.474885794452
x15 = -69.162235930172
x16 = -62.8790506229925
x17 = -79.634211442138
x18 = 75.3510261349584
x19 = 56.5014702134197
x20 = 46.0294947014537
x21 = 71.162235930172
x22 = 87.9173967493176
x23 = -48.2182849062401
x24 = 7372.22356287285
x25 = -88.0117918517108
x26 = 20.8967534727354
x27 = 25.0855436775217
x28 = -12.6135681655558
x29 = 83.7286065445312
x30 = 52.3126800086333
x31 = -35.6519142918809
x32 = -85.9173967493176
x33 = -92.2005820564972
x34 = 8.33038285837618
x35 = -6.33038285837618
x36 = 18.8023583703422
x37 = -75.4454212373516
x38 = -10.5191730631626
x39 = 27.1799387799149
x40 = -98.4837673636768
x41 = -18.8967534727354
x42 = -16.8023583703422
x43 = 121.427718387609
x44 = 12.5191730631626
x45 = -81.7286065445312
x46 = -44.0294947014537
x47 = -6601.58056029455
x48 = 31.3687289847013
x49 = -100.57816246607
x50 = -0.0471975511965977
x51 = -94.2949771588904
x52 = -60.7846555205993
x53 = -56.5958653158129
x54 = 2.0471975511966
x55 = 96.2949771588904
x56 = -12627.1552698798
x57 = 2961.42747723278
x58 = 69.0678408277789
x59 = 90.0117918517108
x60 = 77.4454212373516
x61 = 37.6519142918809
x62 = -29.3687289847013
x63 = -31.4631240870945
x64 = 33.4631240870945
x65 = 43.9350995990605
x66 = 58.5958653158129
x67 = 39.7463093942741
x68 = 14.6135681655558
x69 = 62.7846555205993
x70 = 81.634211442138
x71 = -106.86134777325
x72 = -67.0678408277789
x73 = -25.1799387799149
x74 = -4.23598775598299