Найду корень уравнения: 2cos3x-√3=0
Перенесём -sqrt(3) в правую часть ур-ния
с изменением знака при -sqrt(3)
Разделим обе части ур-ния на 2
pi x1 = -- 18
11*pi x2 = ----- 18
сумма
pi 11*pi 0 + -- + ----- 18 18
=
2*pi ---- 3
произведение
pi 11*pi 1*--*----- 18 18
=
2 11*pi ------ 324
x1 = -47.9965544298441
x2 = -6.10865238198015
x3 = 31.5904594610974
x4 = -60.9119908946021
x5 = -83.9503370209273
x6 = -16.929693744345
x7 = -27.401669256311
x8 = -12.3918376891597
x9 = 18.6750229963393
x10 = 96.1676417848876
x11 = 44.1568300754565
x12 = 16.929693744345
x13 = -4.01425727958696
x14 = -31.5904594610974
x15 = 73.1292956585624
x16 = -98.2620368872808
x17 = -39.9680398706701
x18 = 6.10865238198015
x19 = -100.356431989674
x20 = 64.7517152489896
x21 = -87.7900613753148
x22 = -211.359372416513
x23 = 100.705497840073
x24 = 62.6573201465964
x25 = -10.2974425867665
x26 = -96.1676417848876
x27 = 83.9503370209273
x28 = 8.20304748437335
x29 = 4.01425727958696
x30 = 86.0447321233204
x31 = 29.4960643587042
x32 = 75.5727566113545
x33 = 37.873644768277
x34 = 25.3072741539178
x35 = -56.3741348394168
x36 = 14.4862327915529
x37 = -43.8077642250577
x38 = 79.7615468161409
x39 = 56.3741348394168
x40 = -22.8638132011257
x41 = -45.9021593274509
x42 = 12.3918376891597
x43 = -54.2797397370236
x44 = 35.7792496658838
x45 = 81.8559419185341
x46 = -66.8461103513828
x47 = -35.7792496658838
x48 = -41.7133691226645
x49 = -86.0447321233204
x50 = -77.6671517137477
x51 = -25.3072741539178
x52 = -75.5727566113545
x53 = 27.0526034059121
x54 = -94.0732466824944
x55 = -81.8559419185341
x56 = 16.5806278939461
x57 = -10.6465084371654
x58 = 94.0732466824944
x59 = -37.873644768277
x60 = -52.1853446346305
x61 = 42.0624349730633
x62 = 90.2335223281068
x63 = -89.884456477708
x64 = 47.9965544298441
x65 = -29.4960643587042
x66 = 58.46852994181
x67 = -1.91986217719376
x68 = 54.2797397370236
x69 = 29.1469985083053
x70 = -50.0909495322373
x71 = 39.9680398706701
x72 = 60.5629250442032
x73 = 98.2620368872808
x74 = -73.4783615089613
x75 = 88.1391272257137
x76 = 77.6671517137477
x77 = 10.2974425867665
x78 = -71.3839664065681
x79 = 2.26892802759263
x80 = -79.7615468161409
x81 = -33.6848545634906
x82 = 50.0909495322373
x83 = 91.9788515801012
x84 = 0.174532925199433
x85 = -69.2895713041749
x86 = -91.9788515801012
x87 = 67.1951762017817
x88 = -14.4862327915529
x89 = -58.46852994181
x90 = 46.2512251778497
x91 = 100.356431989674
x92 = 52.1853446346305
x93 = -20.7694180987325
x94 = -8.20304748437335
x95 = -79.412480965742
x96 = 33.6848545634906
x97 = -81.5068760681352