El profesor se sorprenderá mucho al ver tu solución correcta😉
/13*x\ /5*x\ cos|----|*cos|---| = 1 \ 6 / \ 6 /
x1 = 94.2477796093526
x2 = -37.6991118770068
x3 = -75.3982238459002
x4 = -94.2477794628647
x5 = 37.699112003933
x6 = -131.946891538669
x7 = -56.5486675892257
x8 = 0.0
x9 = 18.8495557644403
x10 = -37.6991118553606
x11 = -18.849556334569
x12 = 56.5486676195658
x13 = 75.3982238436352
x13 = 75.3982238436352