El profesor se sorprenderá mucho al ver tu solución correcta😉
/x + pi\ ___ 2*sin|------| + cos(2*x) = \/ 3 *cos(x) + 1 \ 3 /
x1 = 65.9734457253857
x2 = -52.1793376923359
x3 = 1.5707963267949
x4 = -1074.14348675063
x5 = 52.6984553717934
x6 = 9.42477796076938
x7 = -518.362787842316
x8 = 56.8298685416982
x9 = -37.4179110659956
x10 = 90.3975672148709
x11 = -93.9665788306119
x12 = -17.2787595947439
x13 = 71.5480112933321
x14 = -98.0979920005167
x15 = -47.2446715039999
x16 = -18.5683551444569
x17 = -39.7742128145704
x18 = 39.2699081698724
x19 = 54.4735667931234
x20 = 28.2743338823081
x21 = 129.871790479278
x22 = 92.1726786362009
x23 = -92.6769832808989
x24 = 84.8230016469244
x25 = -2.07510097149287
x26 = 14.9993435287158
x27 = 47.0031081036939
x28 = -33.3297817707971
x29 = 56.5486677646163
x30 = 79.7675537584354
x31 = -171.721104265342
x32 = 58.1194640914112
x33 = -73.8274273593601
x34 = -37.6991118430775
x35 = 47.1238898038469
x36 = 84.7022199467714
x37 = -56.2674669875344
x38 = 98.6171096799742
x39 = -9.54555966092238
x40 = 9.30399626061638
x41 = -36.1283155162826
x42 = -84.9437833470774
x43 = -65.9734457253857
x44 = -22.6997683143617
x45 = 0.0
x46 = -28.2743338823081
x47 = -56.5486677646163
x48 = 1036.72557568463
x49 = 4.3693300722804
x50 = 33.8488994502546
x51 = -47.1238898038469
x52 = -77.4733246576479
x53 = 42.0684419153579
x54 = -14.4802258492584
x55 = -75.398223686155
x56 = -79.2484360789779
x57 = 94.2477796076938
x58 = -84.8230016469244
x59 = -89.8784495354134
x60 = -3.85021239282292
x61 = 76.9690200129499
x62 = -108.728005456952
x63 = -71.0288936138746
x64 = 18.8495559215388
x65 = -96.3228805791867
x66 = 20.4203522483337
x67 = 95.8185759344887
x68 = -54.9778714378214
x69 = 37.9803126201594
x70 = -18.8495559215388
x71 = 35.6240108715847
x72 = 23.2188859938192
x73 = 75.6794244632369
x74 = 1244.07069082156
x75 = -1790.70781254618
x76 = 16.7744549500459
x77 = -41.5493242359004
x78 = 60.9179978368967
x79 = -60.3988801574392
x79 = -60.3988801574392