2*cos(x-pi/3)+1=0
Найду корень уравнения: 2*cos(x-pi/3)+1=0
Перенесём 1 в правую часть ур-ния
с изменением знака при 1
Разделим обе части ур-ния на 2
сумма
pi 0 - -- + pi 3
=
2*pi ---- 3
произведение
-pi 1*----*pi 3
=
2 -pi ----- 3
x1 = -63.8790506229925
x2 = 49.2182849062401
x3 = 74.3510261349584
x4 = -45.0294947014537
x5 = -78.5398163397448
x6 = -95.2949771588904
x7 = 97.3893722612836
x8 = -89.0117918517108
x9 = -65.9734457253857
x10 = -103.672557568463
x11 = 93.2005820564972
x12 = 5.23598775598299
x13 = -38.7463093942741
x14 = 78.5398163397448
x15 = -3.14159265358979
x16 = 61.7846555205993
x17 = 80.634211442138
x18 = -91.106186954104
x19 = 24.0855436775217
x20 = 11.5191730631626
x21 = 86.9173967493176
x22 = 99.4837673636768
x23 = 84.8230016469244
x24 = -51.3126800086333
x25 = 72.2566310325652
x26 = -76.4454212373516
x27 = -9.42477796076938
x28 = -1.0471975511966
x29 = 28.2743338823081
x30 = -220.958683302482
x31 = 17.8023583703422
x32 = -7.33038285837618
x33 = 91.106186954104
x34 = -13.6135681655558
x35 = -34.5575191894877
x36 = -59.6902604182061
x37 = -53.4070751110265
x38 = 68.0678408277789
x39 = -21.9911485751286
x40 = -84.8230016469244
x41 = -19.8967534727354
x42 = 3.14159265358979
x43 = 36.6519142918809
x44 = 21.9911485751286
x45 = 65.9734457253857
x46 = -57.5958653158129
x47 = 9.42477796076938
x48 = -82.7286065445312
x49 = 40.8407044966673
x50 = -32.4631240870945
x51 = -28.2743338823081
x52 = 53.4070751110265
x53 = 30.3687289847013
x54 = 47.1238898038469
x55 = -40.8407044966673
x56 = 55.5014702134197
x57 = -70.162235930172
x58 = -97.3893722612836
x59 = 15.707963267949
x60 = 42.9350995990605
x61 = 59.6902604182061
x62 = -15.707963267949
x63 = -72.2566310325652
x64 = 34.5575191894877
x65 = -47.1238898038469
x66 = -26.1799387799149