Tcloutier9 Tcloutier9

04-10-2015
Mathematics

contestada

I need help with this math question:

Solve. Sin^2x-Sinx=0

I got 0,90,180,270 and 360 degrees. Anyone know if that's right

Respuesta :

04-10-2015

[tex]\\ sin^2(x)-sin(x)=0 \\ sinx(sinx-1)=0 \\ \\ sinx=0 \\ x= \pi k~~k \in Z \\ x=0 \\ \\ sin(x)-1=0 \\ sin(x)=1 \\ x= \frac{ \pi }{2} +2 \pi k~~k \in Z [/tex]

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