cos(x-pi/6)=-1/2
Найду корень уравнения: cos(x-pi/6)=-1/2
/ pi\ cos|x - --| = -1/2 \ 6 /
-pi x1 = ---- 2
5*pi x2 = ---- 6
сумма
pi 5*pi - -- + ---- 2 6
=
pi -- 3
произведение
-pi 5*pi ----*---- 2 6
=
2 -5*pi ------ 12
x1 = -66.497044500984
x2 = 34.0339204138894
x3 = 98.9601685880785
x4 = 65.4498469497874
x5 = 80.1106126665397
x6 = 71.733032256967
x7 = -9.94837673636768
x8 = -28.7979326579064
x9 = -60.2138591938044
x10 = 59.1666616426078
x11 = -53.9306738866248
x12 = 78.0162175641465
x13 = 90.5825881785057
x14 = -20.4203522483337
x15 = -47.6474885794452
x16 = -14.1371669411541
x17 = 10.9955742875643
x18 = -32.9867228626928
x19 = 27.7507351067098
x20 = -51.8362787842316
x21 = -76.9690200129499
x22 = -26.7035375555132
x23 = 73.8274273593601
x24 = 1699.07802681648
x25 = 48.6946861306418
x26 = -41.3643032722656
x27 = -91.6297857297023
x28 = 4.71238898038469
x29 = -102.101761241668
x30 = 42.4115008234622
x31 = -39.2699081698724
x32 = -95.8185759344887
x33 = -1.5707963267949
x34 = 2.61799387799149
x35 = -83.2522053201295
x36 = 36.1283155162826
x37 = -85.3466004225227
x38 = 15.1843644923507
x39 = 21.4675497995303
x40 = -7.85398163397448
x41 = 67.5442420521806
x42 = 54.9778714378214
x43 = 96.8657734856853
x44 = 61.261056745001
x45 = -64.4026493985908
x46 = -58.1194640914112
x47 = -72.7802298081635
x48 = -97.9129710368819
x49 = -89.5353906273091
x50 = -22.5147473507269
x51 = -16.2315620435473
x52 = -45.553093477052
x53 = 86.3937979737193
x54 = 29.845130209103
x55 = 8.90117918517108
x56 = 84.2994028713261
x57 = -70.6858347057703
x58 = 52.8834763354282
x59 = 23.5619449019235
x60 = 40.317105721069
x61 = -3.66519142918809
x62 = -79.0634151153431
x63 = -35.081117965086
x64 = 92.6769832808989
x65 = 17.2787595947439
x66 = 46.6002910282486
x67 = 103.148958792865