El profesor se sorprenderá mucho al ver tu solución correcta😉
2 ___ 5 2 cos (x) - \/ 2 *cos(x) - 2*sin(2*x) + - - cos (2*x) = 0 2
x1 = 69.9004366561606
x2 = 0.785397489873682
x3 = 95.0331766358914
x4 = -62.046454313624
x5 = -74.612824343966
x6 = -62.046454856041
x7 = -36.9137128829933
x8 = -36.9137148865249
x9 = -5.49778735150467
x10 = -68.3296399222059
x11 = 7.06858228562803
x12 = -87.179196880783
x13 = -99.7455670720628
x14 = 38.4845098191259
x15 = 113.88273499076
x16 = -18.0641591683691
x17 = -43.1968978412459
x18 = -74.6128263963106
x19 = 44.7676946748278
x20 = -93.4623816962736
x21 = 19.6349546622097
x22 = 51.0508794598372
x23 = -62.0464556442975
x24 = -55.7632695909029
x25 = -87.1791948833956
x26 = 13.3517700410321
x27 = 44.7676961948347
x28 = 32.2013247452684
x29 = 95.033177018035
x30 = 76.1836219939325
x31 = -68.329639715602
x32 = -11.7809709155536
x33 = -24.3473425271881
x34 = -200.276532395386
x35 = -30.6305271511213
x36 = -93.4623816849606
x37 = 88.749991859398
x38 = -18.0641576859848
x39 = -80.8960111235512
x40 = -43.1968996953646
x41 = 76.1836219231332
x42 = 25.9181394846691
x43 = 0.785398268412888
x44 = 0.785399184937227
x45 = -99.7455667547271
x46 = -30.6305293359031
x47 = -7469.92193209573
x48 = -5.4977863245649
x49 = -11.7809724248414
x50 = 25.9181401719457
x51 = 13.3517677389699
x52 = 63.6172518525181
x53 = 57.3340648269276
x54 = 57.3340672323618
x55 = 82.4668069885994
x56 = -80.8960120563929
x57 = 101.3163619265
x58 = 88.7499931895573
x59 = -49.480084523304
x60 = -998.241065375966
x60 = -998.241065375966