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 = -998.241065375966
x2 = 0.785397489873682
x3 = -5.4977863245649
x4 = 0.785397881877608
x5 = -5.4977862498989
x6 = 0.785398443434114
x7 = 0.785398268412888
x8 = 0.78539828349285
x9 = -5.49778735150467
x10 = -5.49778718715124
x11 = 0.785399184937227
x12 = 7.06858228562803
x13 = 7.06858331196621
x13 = 7.06858331196621