El profesor se sorprenderá mucho al ver tu solución correcta😉
___ /x + pi\ 2*\/ 3 *sin|------| - cos(2*x) = 3*cos(x) - 1 \ 3 /
x1 = -23.626959049809
x2 = -19.0239154918389
x3 = 80.8534183004936
x4 = 9.42477796076938
x5 = -11.116192563357
x6 = 84.8230016469244
x7 = -42.4765149713478
x8 = 83.1315870443368
x9 = -94.2477796076938
x10 = 64.2820311227981
x11 = 51.771264636346
x12 = 99.7029742220324
x13 = -141.371669411541
x14 = 28.2743338823081
x15 = 32.9217087148073
x16 = -28.2743338823081
x17 = -56.5486677646163
x18 = -65.9734457253857
x19 = 75.2238641158549
x20 = -99.0251827359641
x21 = -29.9657484848957
x22 = -67.6648603279732
x23 = -51.0934731502777
x24 = -32.2439172287389
x25 = -4.77740312827025
x26 = 70.6208205578848
x27 = 18.8495559215388
x28 = 5.4551946143386
x29 = 94.2477796076938
x30 = -84.8230016469244
x31 = 43.1543064574161
x32 = -12106.1923047562
x33 = -88.7925849933552
x34 = -13.3943613072002
x35 = 47.1238898038469
x36 = 14.0721527932685
x37 = 65.9734457253857
x38 = -56.7230273349164
x39 = 56.3743081943161
x40 = 62.0038623789549
x41 = 7.7333633581818
x42 = 75.398223686155
x43 = -48.8153044064345
x44 = 24.3047505358774
x45 = -18.8495559215388
x46 = -37.6991118430775
x47 = 18.6751963512386
x48 = -386.415896391545
x49 = -61.3260708928865
x50 = -75.5725832564552
x51 = -69.9430290718164
x52 = 89.4703764794235
x53 = -80.1756268144253
x54 = 37.6991118430775
x55 = 103.672557568463
x56 = -47.1238898038469
x57 = 26.5829192797206
x58 = -94.4221391779939
x59 = 0.0
x60 = -9.42477796076938
x60 = -9.42477796076938