Respuesta :
The range of sin x [tex]-1 \leq x \leq 1[/tex]
Thus range of 2sin x = [tex]2(-1 \leq x \leq 1)[/tex] = [tex]-2 \leq x \leq 2[/tex]
Thus range of 2sin x = [tex]2(-1 \leq x \leq 1)[/tex] = [tex]-2 \leq x \leq 2[/tex]