El profesor se sorprenderá mucho al ver tu solución correcta😉
Dividamos ambos miembros de la ecuación en 1/3
suma
atan(9/2)
=
atan(9/2)
producto
atan(9/2)
=
atan(9/2)
atan(9/2)
x1 = atan(9/2)
x1 = atan(9/2)
x1 = 57.9007951455372
x2 = -48.9133550765157
x3 = 86.1751290278454
x4 = 64.1839804527168
x5 = 42.1928318775883
x6 = -67.7629109980545
x7 = 1.35212738092095
x8 = 23.3432759560495
x9 = -89.754059573183
x10 = -52.0549477301055
x11 = 20.2016833024597
x12 = 98.7414996422045
x13 = -30.063799154977
x14 = 35.9096465704087
x15 = -45.7717624229259
x16 = 13.9184979952801
x17 = -96.0372448803626
x18 = -1.78946527266884
x19 = 29.6264612632291
x20 = -23.7806138477974
x21 = -74.0460963052341
x22 = -8.07265057984842
x22 = -8.07265057984842