Найду корень уравнения: cos(x+pi)-1=0
Перенесём -1 в правую часть ур-ния
с изменением знака при -1
Разделим обе части ур-ния на -1
x1 = 15.7079629803241
x2 = 65.9734452390837
x3 = -28.2743340989896
x4 = -84.8230020565447
x5 = -15.7079635641079
x6 = 9.42477826738203
x7 = -34.5575196658297
x8 = -1127.83176318906
x9 = 3.1415922548952
x10 = -78.5398160472843
x11 = 15.7079634518075
x12 = -3.14159295109225
x13 = -53.4070745963886
x14 = 40.8407049800347
x15 = 78.5398152766482
x16 = 59.6902599104079
x17 = 91.1061865667532
x18 = -97.3893716284562
x19 = 59.6902606104322
x20 = 34.5575190219169
x21 = -78.5398168194507
x22 = 53.4070746418597
x23 = -47.1238901083229
x24 = 3.14159306054457
x25 = 40.8407045848602
x26 = -40.8407049290801
x27 = -40.8407040952604
x28 = -59.6902599212271
x29 = 40.8407045792514
x30 = 28.2743343711514
x31 = 21.9911485852059
x32 = -59.6902604578012
x33 = -34.5575188899093
x34 = 28.2743335663982
x35 = 47.123889410773
x36 = 15.7079627593774
x37 = 65.9734460390947
x38 = 9.42477748794163
x39 = -72.2566315419804
x40 = -53.407075294995
x41 = 21.9911489072506
x42 = 97.3893717959212
x43 = -72.2566308657983
x44 = 72.2566306985
x45 = -28.2743343914215
x46 = -15.707962774825
x47 = 47.1238902162437
x48 = 84.8230021335997
x49 = -3.14159217367683
x50 = 78.5398161804942
x51 = -65.9734457649277
x52 = 53.4070766553897
x53 = 21.9911480932338
x54 = -21.9911490521325
x55 = 15.707963957033
x56 = 59.6902600526626
x57 = -15.7079632965989
x58 = -65.9734461969855
x59 = -97.3893717476911
x60 = -72.2566311847166
x61 = 34.5575197055812
x62 = -9.4247781365785
x63 = 84.8230013636028
x64 = 72.2566315166773
x65 = 72.2566310277176
x66 = -47.1238893275319
x67 = 65.9734457529812
x68 = 78.5398168562347
x69 = 34.5575195449229
x70 = 78.5398149750205
x71 = -21.9911485864417
x72 = 97.389372581711
x73 = -9.42477752082051
x74 = 28.2743338651796
x75 = 91.1061873718352
x76 = 78.5398166181283
x77 = -65.9734449870253
x78 = -91.106187265474
x79 = -9.42477744529557
x80 = -65.9734453607004
x81 = 53.407075424589
x82 = -97.3893724533348
x83 = -53.4070745786761
x84 = -59.6902606928653
x85 = -40.8407049008781
x86 = -21.991148226056
x87 = -28.2743337069329
x88 = -91.1061864815274
x89 = -84.8230012511693
x90 = 40.8407042062167