El profesor se sorprenderá mucho al ver tu solución correcta😉
___ ___ -\/ 2 *cos(x) = \/ 2 *sin(c)
Dividamos ambos miembros de la ecuación en -sqrt(2)
suma
-re(acos(-sin(c))) + 2*pi - I*im(acos(-sin(c))) + I*im(acos(-sin(c))) + re(acos(-sin(c)))
=
2*pi
producto
(-re(acos(-sin(c))) + 2*pi - I*im(acos(-sin(c))))*(I*im(acos(-sin(c))) + re(acos(-sin(c))))
=
-(I*im(acos(-sin(c))) + re(acos(-sin(c))))*(-2*pi + I*im(acos(-sin(c))) + re(acos(-sin(c))))
-(i*im(acos(-sin(c))) + re(acos(-sin(c))))*(-2*pi + i*im(acos(-sin(c))) + re(acos(-sin(c))))
x1 = -re(acos(-sin(c))) + 2*pi - I*im(acos(-sin(c)))
x2 = I*im(acos(-sin(c))) + re(acos(-sin(c)))
x2 = re(acos(-sin(c))) + i*im(acos(-sin(c)))