Найду корень уравнения: 2cosx=-√3
Разделим обе части ур-ния на 2
сумма
5*pi 7*pi 0 + ---- + ---- 6 6
=
2*pi
произведение
5*pi 7*pi 1*----*---- 6 6
=
2 35*pi ------ 36
5*pi x1 = ---- 6
7*pi x2 = ---- 6
x1 = 97.9129710368819
x2 = -96.8657734856853
x3 = -66.497044500984
x4 = 28.7979326579064
x5 = -46.6002910282486
x6 = 53.9306738866248
x7 = -90.5825881785057
x8 = 52.8834763354282
x9 = -60.2138591938044
x10 = 91.6297857297023
x11 = -71.733032256967
x12 = 9.94837673636768
x13 = -4697.20461589234
x14 = 66.497044500984
x15 = -128.281700021583
x16 = 60.2138591938044
x17 = 65.4498469497874
x18 = 41.3643032722656
x19 = -65.4498469497874
x20 = 21.4675497995303
x21 = 72.7802298081635
x22 = 40.317105721069
x23 = -47.6474885794452
x24 = -72.7802298081635
x25 = -52.8834763354282
x26 = -27.7507351067098
x27 = -84.2994028713261
x28 = 79.0634151153431
x29 = 34.0339204138894
x30 = -9.94837673636768
x31 = 15.1843644923507
x32 = -79.0634151153431
x33 = 47.6474885794452
x34 = -15.1843644923507
x35 = 3.66519142918809
x36 = -21.4675497995303
x37 = -40.317105721069
x38 = -85.3466004225227
x39 = 59.1666616426078
x40 = -78.0162175641465
x41 = -34.0339204138894
x42 = -857.131195654415
x43 = 71.733032256967
x44 = -22.5147473507269
x45 = -35.081117965086
x46 = -2.61799387799149
x47 = 2.61799387799149
x48 = 78.0162175641465
x49 = -97.9129710368819
x50 = 85.3466004225227
x51 = -59.1666616426078
x52 = 35.081117965086
x53 = -16.2315620435473
x54 = 46.6002910282486
x55 = 203.679923707738
x56 = -91.6297857297023
x57 = -8.90117918517108
x58 = -3.66519142918809
x59 = -28.7979326579064
x60 = 192.160750644576
x61 = 216.246294322097
x62 = -53.9306738866248
x63 = 96.8657734856853
x64 = 84.2994028713261
x65 = -41.3643032722656
x66 = 8.90117918517108
x67 = 27.7507351067098
x68 = 22.5147473507269
x69 = 90.5825881785057
x70 = 16.2315620435473