El profesor se sorprenderá mucho al ver tu solución correcta😉
2 cos (x)*sin(y)*cos(y) + sin(x)*cos(x)*cos(y) + sin(x)*cos(x)*sin(y) = 0
-pi x1 = ---- 2
pi x2 = -- 2
/ / 1 \\ / / 1 \\ | | 1 + ------|| | | 1 + ------|| | | /y\|| | | /y\|| | | tan|-||| | | tan|-||| | | \2/|| | | \2/|| x3 = - 2*re|atan|-----------|| - 2*I*im|atan|-----------|| | | /y\|| | | /y\|| | |-1 + tan|-||| | |-1 + tan|-||| \ \ \2/// \ \ \2///
/ // /y\\ /y\\\ / // /y\\ /y\\\ | ||-1 + tan|-||*tan|-||| | ||-1 + tan|-||*tan|-||| | |\ \2// \2/|| | |\ \2// \2/|| x4 = 2*re|atan|--------------------|| + 2*I*im|atan|--------------------|| | | /y\ || | | /y\ || | | 1 + tan|-| || | | 1 + tan|-| || \ \ \2/ // \ \ \2/ //
x4 = 2*re(atan((tan(y/2) - 1)*tan(y/2)/(tan(y/2) + 1))) + 2*i*im(atan((tan(y/2) - 1)*tan(y/2)/(tan(y/2) + 1)))