a) {0, [tex3]\frac{\pi }{2}[/tex3] }
b) {k.[tex3]\pi [/tex3] ; K [tex3]\in \mathbb{Z}[/tex3] }
c) {k [tex3]\pi [/tex3] ; k [tex3]\in \mathbb{Z}[/tex3] }U{2k [tex3]\pi + \frac{\pi }{2}[/tex3] ; k [tex3]\in \mathbb{Z}[/tex3] }
d) {k; k [tex3]\in \mathbb{Z}[/tex3] }U{2k [tex3]\pi + \frac{\pi }{2}[/tex3] , k [tex3]\in \mathbb{Z}[/tex3] }U{(2k+1)[tex3]\pi - \frac{\pi }{2}[/tex3] , k [tex3]\in \mathbb{Z}[/tex3] }
e) {2k [tex3]\pi \pm \frac{\pi }{2}[/tex3] , k [tex3]\in \mathbb{Z}[/tex3] }
Resposta
Letra D
senx+[tex3]\sqrt{senx}[/tex3] =0
[tex3]sen^{2}x[/tex3] -senx=0
senx(senx-1)=0
I) senx=0
x= k [tex3]\pi [/tex3]
II) senx=1
x= [tex3]\frac{\pi }{2}[/tex3] +k2 [tex3]\pi [/tex3]
