Найду корень уравнения: cos(x/5)+1=0
Перенесём 1 в правую часть ур-ния
с изменением знака при 1
сумма
5*pi
=
5*pi
произведение
5*pi
=
5*pi
x1 = 109.955743388045
x2 = -15.7079614567185
x3 = -47.1238872711186
x4 = -47.1238901257198
x5 = -47.1238876815792
x6 = -78.5398210333058
x7 = 15.707962566483
x8 = -47.1238913784282
x9 = 47.1238873084304
x10 = -78.5398160322833
x11 = -15.7079642265323
x12 = 109.955740633841
x13 = -141.371669109372
x14 = 78.5398165209218
x15 = -109.955744308027
x16 = -47.1238889196755
x17 = -15.7079616129238
x18 = -47.1238873586036
x19 = -78.5398137921376
x20 = 15.7079643589024
x21 = 78.5398189021442
x22 = 78.5398139484401
x23 = 15.7079651530831
x24 = -109.955740761569
x25 = 47.123892306231
x26 = -78.5398143960206
x27 = -15.707965838961
x28 = 15.7079634553212
x29 = -15.7079606929945
x30 = -78.5398146753102
x31 = 78.5398161781999
x32 = -15.707965329034
x33 = 78.5398220572023
x34 = 15.7079630812848
x35 = 47.123891073275
x36 = -78.5398170658543
x37 = 78.5398152747855
x38 = -15.7079610256452
x39 = -47.1238910102026
x40 = -15.7079624295751
x41 = 47.1238885314361
x42 = 15.707961729282
x43 = 47.1238911368643
x44 = 15.7079601534269
x45 = 78.5398144993885
x46 = 47.123888495739
x47 = 47.1238873132795
x48 = -78.5398187594684
x49 = 78.5398179019981
x50 = -78.5398169297615
x51 = -109.955745597958
x52 = 47.1238918530452
x53 = -47.1238923366349
x54 = 204.203522241035
x55 = -15.7079632966218
x56 = 15.7079609259173
x57 = 47.1238834902891
x58 = -78.5398151446878
x59 = 78.5398170682907
x60 = 78.539818554401
x61 = 15.7079658362819
x62 = -47.1238922564323
x63 = 47.1238902678764
x64 = -78.5398184687978
x65 = -47.123891755735
x66 = -15.7079609905632
x67 = 78.5398137772168
x68 = -78.5398177822968
x69 = -47.1238883718742
x70 = -47.1238892266369
x71 = 1523.672431799
x72 = -78.5398138890222
x73 = 15.7079607148849
x74 = 78.5398186830988
x75 = 15.7079600690302
x76 = 47.1238923027174
x77 = 47.1238893672005
x78 = -15.7079650220913
x79 = 15.7079647632944
x80 = -78.5398188712212
x81 = 78.539819441708
x82 = 78.5398144533592
x83 = 15.7079651296196
x84 = -47.1238845327779
x85 = -15.707963787485
x86 = 15.7079610707134
x87 = 15.7079656734751
x88 = 47.1238877741124
x89 = 47.1238961171027
x90 = -15.7079656074579