Respuesta :

ANSWER

π/2

EXPLANATION

We just have to replace x by π/2 in the equation and we'll see that it does not satisfy it:

[tex]\begin{gathered} \sin ^2x+\sin x=0 \\ \sin ^2\frac{\pi}{2}+\sin \frac{\pi}{2}=0 \\ 1^2+1=0 \\ 2=0\to false \end{gathered}[/tex]

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