Найду корень уравнения: cos(x/6)=-1
сумма
0 + 6*pi
=
6*pi
произведение
1*6*pi
=
6*pi
x1 = 56.548668684857
x2 = 56.5486708580155
x3 = -18.8495541133921
x4 = 18.8495539132593
x5 = -56.5486701996953
x6 = 94.2477796093523
x7 = -18.8495538018019
x8 = -94.2477766096957
x9 = 94.2477786626589
x10 = 56.5486691864073
x11 = -18.8495589807508
x12 = 18.8495497686594
x13 = 56.5486658681814
x14 = 94.2477778265357
x15 = -56.5486706326888
x16 = 18.8495573398767
x17 = -94.247780331416
x18 = -18.8495601039398
x19 = 94.247781315942
x20 = -56.5486656493118
x21 = -56.5486674527724
x22 = -94.2477794428164
x23 = 18.8495573862429
x24 = -18.8495563709794
x25 = -18.8495572570416
x26 = -18.849557670041
x27 = 94.2477771321735
x28 = 18.8495586964117
x29 = 18.8495532762155
x30 = -56.5486647444303
x31 = 94.2477799925393
x32 = -56.5486665537429
x33 = -56.548669107116
x34 = -94.2477811921558
x35 = 56.5486652015604
x36 = 56.5486654440189
x37 = 18.8495565121296
x38 = -18.8495531960788
x39 = 56.548669352492
x40 = -56.5486705573192
x41 = -18.849552856884
x42 = 18.8495588074837
x43 = 18.8495529137283
x44 = 56.5486675986864
x45 = 56.5486700885762
x46 = 56.5486601767443
x47 = -56.5486651159088
x48 = 56.5486684917252
x49 = -56.5486612770652
x50 = -56.5486702851951
x51 = -56.5486699852813
x52 = -56.5486708426813
x53 = 94.2477765333861
x54 = -94.2477772492532
x55 = -94.2477765483004
x56 = 94.2477804697546
x57 = -18.8495586435297
x58 = 18.8495590057275
x59 = -56.5486647289403
x60 = 18.8495528907655
x61 = -18.8495529582179
x62 = 56.5486705490094
x63 = 810.530904531238
x64 = 18.8495547141391
x65 = 18.8495538535501
x66 = 207.345114905769
x67 = 56.548664715657
x68 = -18.8495554691314
x69 = 18.8495581454845
x70 = 18.8495587178306
x71 = 18.8495556118876
x72 = -56.5486657530209
x73 = -94.2477808339716
x74 = 94.2477766595753
x75 = -94.2477785270414
x76 = -18.8495545825764
x77 = 94.2477770870066
x78 = -18.8495580379805
x79 = 18.8495543704497
x80 = 94.2477820272015
x81 = -94.2477770413102
x82 = 56.5486647710951
x83 = -56.5486692258817
x84 = -56.5486683519506
x85 = 56.5486666874419
x86 = -18.8495514206819
x87 = 56.548670625441
x88 = -94.2477777079179
x89 = -94.2477819283784
x90 = -18.8495588700492