Найду корень уравнения: 3*(1 - cos(x)) = 0
Перенесём 3 в правую часть ур-ния
с изменением знака при 3
Разделим обе части ур-ния на -3
x1 = 6.28318528420851
x2 = 75.3982232188727
x3 = -18.8495555173448
x4 = -6.28318555849548
x5 = -81.6814084945807
x6 = 31.4159260648825
x7 = -87.9645947692094
x8 = -43.9822967932182
x9 = 56.5486668532011
x10 = 43.9822966661001
x11 = -6.2831851275477
x12 = -12.5663703112531
x13 = 6.28318500093652
x14 = -75.3982238741744
x15 = -50.2654829667315
x16 = -87.964593928489
x17 = 25.1327408328211
x18 = 94.2477796093523
x19 = 62.8318527849002
x20 = -94.2477797298079
x21 = -94.2477794452815
x22 = -31.4159260507536
x23 = -62.831852673202
x24 = 100.530965157364
x25 = -43.9822971745392
x26 = 50.2654829439723
x27 = 43.9822974733639
x28 = 37.6991120311338
x29 = 37.6991113348642
x30 = -37.6991121287155
x31 = 69.1150379887504
x32 = 87.9645938121814
x33 = -94.2477801171671
x34 = -31.4159267157965
x35 = -56.5486674685864
x36 = 3.4077202564292e-7
x37 = -4.79511606158653e-7
x38 = -87.9645943586158
x39 = -75.3982231045728
x40 = 56.5486682809363
x41 = 81.6814084860076
x42 = 75.3982240031607
x43 = -37.6991113479743
x44 = 69.115038794053
x45 = 87.964594335905
x46 = -75.3982231720141
x47 = 100.530964759815
x48 = 81.6814085860518
x49 = -6.2831858160515
x50 = -18.8495563230046
x51 = -56.5486682426592
x52 = -37.6991118772631
x53 = -43.9822976246252
x54 = 50.2654824463392
x55 = 6.28318579821791
x56 = -50.265482641087
x57 = -50.2654822863493
x58 = 31.4159268459961
x59 = 12.5663710110881
x60 = -31.4159260208155
x61 = 94.2477800892631
x62 = 94.2477792651059
x63 = 43.9822971694647
x64 = -25.1327415297174
x65 = -18.8495552124105
x66 = 18.8495564031971
x67 = 37.6991115173992
x68 = 62.8318535568358
x69 = -62.8318534787248
x70 = 0.0
x71 = 56.5486680806249
x72 = 50.2654821322586
x73 = 25.1327416384075
x74 = -12.5663710889626
x75 = -69.1150379045123
x76 = -81.6814090382277
x77 = 56.5486676011951
x78 = 12.5663711301703
x79 = -81.6814092565354
x80 = 81.6814091897036
x81 = 12.5663704426592
x82 = 87.9645946044253
x83 = -25.1327407505866
x84 = -69.1150386869085
x85 = -100.530964626003
x86 = 18.8495556275525