Respuesta :

Trancescient

Step-by-step explanation:

[tex](\sin{x} - \sin{y})(\sin{x} + \sin{y}) = \sin^2{x} + \sin{x}\sin{y} - \sin{x}\sin{y} - \sin^2{y}[/tex]

[tex]= \sin^2{x} - \sin^2{y}[/tex]

Otras preguntas