Respuesta :

HomertheGenius
sin x  + 2 cos x = 0
sin x = - 2 cos x  / : cos x ( we will divide both sides by cos x )
sin x / cos x = - 2
tan x = - 2
x = tan^(-1) ( - 2 ) 
Answer:
x = - 63.6 ° = - 63° 36 ` 
or x = 296° 24 `