Найду корень уравнения: 1-cos3x=0
Перенесём 1 в правую часть ур-ния
с изменением знака при 1
Разделим обе части ур-ния на -1
сумма
2*pi 0 + 0 + ---- 3
=
2*pi ---- 3
произведение
2*pi 1*0*---- 3
=
0
x1 = -4.18879008400713
x2 = -16.755160961199
x3 = -85.8701992330716
x4 = 41.8879021332297
x5 = -8.37758024222806
x6 = 48.1710874363538
x7 = 35.6047169091797
x8 = -23.0383458748855
x9 = -92.1533843995496
x10 = -35.6047172724316
x11 = 161.26842260871
x12 = -77.4926189173344
x13 = 14.6607655553299
x14 = -69.115038422181
x15 = -90.0589893499645
x16 = -79.5870139829524
x17 = -441575121.501282
x18 = -43.9822971746469
x19 = -81.6814090376256
x20 = 33.5103217994214
x21 = -71.2094336231345
x22 = -100.530964767287
x23 = -14.6607657359666
x24 = -56.548667625889
x25 = 8.37758033410453
x26 = -60.7374583801782
x27 = 58.6430627071515
x28 = 79.5870140598991
x29 = 85.8701992926441
x30 = 92.1533846197794
x31 = -37.6991118769598
x32 = 96.3421746527392
x33 = -48.1710872415186
x34 = 87.9645943355056
x35 = 60.7374578111775
x36 = -98.4365696440843
x37 = 20.943951173337
x38 = -50.2654823108466
x39 = 75.3982237804204
x40 = -33.5103217610131
x41 = -29.3215315957413
x42 = 77.4926189449124
x43 = 52.3598774932141
x44 = -12.5663704869723
x45 = 31.4159266487811
x46 = 98.4365697102782
x47 = -27.2271364801679
x48 = -25.1327413022544
x49 = -87.964594359041
x50 = 56.5486676233132
x51 = -83.7758040750549
x52 = 37.6991119985219
x53 = 4.18879026156543
x54 = 18.8495558248099
x55 = -96.3421745469196
x56 = 12.5663704684363
x57 = 833.569250843322
x58 = 62.8318529572331
x59 = 0.0
x60 = -52.3598773942745
x61 = -2.09439502690814
x62 = -67.0206429069494
x63 = -35.604716824613
x64 = -39.7935069082666
x65 = -54.4542724952377
x66 = 54.4542725528033
x67 = -41.8879015909008
x68 = -46.0766921879046
x69 = 43.9822971693627
x70 = -20.9439509761532
x71 = 64.9262482454786
x72 = 50.2654824463613
x73 = 81.6814091524463
x74 = 73.3038284231128
x75 = -69.1150389029232
x76 = 46.076691966571
x77 = 6.28318528432449
x78 = -31.4159266859544
x79 = -94.2477794662643
x80 = -75.3982238398266
x81 = -58.6430628407171
x82 = 98.4365698045197
x83 = 100.530964778649
x84 = 16.7551606647126
x85 = 94.2477796093527
x86 = 90.0589892608483
x87 = 37.6991113434848
x88 = 10.4719753957034
x89 = 39.7935070730078
x90 = -10.4719753473561
x91 = 83.7758042295396
x92 = 29.3215313536198
x93 = -73.3038287459741
x94 = -6.28318515591421