Найду корень уравнения: cos(x)=-√3/3
___ -\/ 3 cos(x) = ------- 3
сумма
/ ___ \ / ___ \ |-\/ 3 | |-\/ 3 | 0 + - acos|-------| + 2*pi + acos|-------| \ 3 / \ 3 /
=
2*pi
произведение
/ / ___ \ \ / ___ \ | |-\/ 3 | | |-\/ 3 | 1*|- acos|-------| + 2*pi|*acos|-------| \ \ 3 / / \ 3 /
=
/ / ___ \ \ / ___ \ | |-\/ 3 | | |-\/ 3 | |- acos|-------| + 2*pi|*acos|-------| \ \ 3 / / \ 3 /
/ ___ \ |-\/ 3 | x1 = - acos|-------| + 2*pi \ 3 /
/ ___ \ |-\/ 3 | x2 = acos|-------| \ 3 /
x1 = 35.5128358076122
x2 = -58.7349438000816
x3 = -85.7783182650489
x4 = 83.8676850287999
x5 = 48.0792064219714
x6 = -33.6022025713632
x7 = 8.46946134264487
x8 = 27.3190172641836
x9 = -29.2296505004326
x10 = 29.2296505004326
x11 = 90.1508703359795
x12 = -2.18627603546528
x13 = -16.6632798860735
x14 = 46.1685731857224
x15 = -39.8853878785428
x16 = 41.7960211147918
x17 = -66.9287623435102
x18 = 54.362391729151
x19 = -46.1685731857224
x20 = 65.0181291072611
x21 = -83.8676850287999
x22 = 52.451758492902
x23 = -96.4340556431591
x24 = 16.6632798860735
x25 = 77.5844997216203
x26 = -79.4951329578693
x27 = -48.0792064219714
x28 = 73.2119476506898
x29 = 10.3800945788939
x30 = -41.7960211147918
x31 = 92.0615035722285
x32 = 4.0969092717143
x33 = 98.3446888794081
x34 = -27.3190172641836
x35 = 66.9287623435102
x36 = -77.5844997216203
x37 = -4.0969092717143
x38 = -71.3013144144407
x39 = 71.3013144144407
x40 = 96.4340556431591
x41 = 79.4951329578693
x42 = 60.6455770363306
x43 = 39.8853878785428
x44 = -10.3800945788939
x45 = 2.18627603546528
x46 = -52.451758492902
x47 = -65.0181291072611
x48 = 22.9464651932531
x49 = 21.035831957004
x50 = 33.6022025713632
x51 = 58.7349438000816
x52 = 14.7526466498245
x53 = -22.9464651932531
x54 = -14.7526466498245
x55 = 85.7783182650489
x56 = -60.6455770363306
x57 = -90.1508703359795
x58 = -73.2119476506898
x59 = -92.0615035722285
x60 = -35.5128358076122
x61 = -54.362391729151
x62 = -21.035831957004
x63 = -98.3446888794081
x64 = -8.46946134264487