x+y=П/2
sin^2x-1=sin^2(п/2-x)=cos^2x
cos2x=-1
2x=П+2Пk
x=П/2+Пk
x=П-y
sin(П-y)+sin(y)=sqrt(3)
siny=sqrt(3)/2
y=П/3+2Пk x=2/3П+2Пl
y=2П/3+2Пk x=П/3+2Пl
x+y=П/2
sin^2x-1=sin^2(п/2-x)=cos^2x
cos2x=-1
2x=П+2Пk
x=П/2+Пk
x=П-y
sin(П-y)+sin(y)=sqrt(3)
siny=sqrt(3)/2
y=П/3+2Пk x=2/3П+2Пl
y=2П/3+2Пk x=П/3+2Пl