Решить уравнение. sin(п+x)=cos(-п/3), cos(p+x)=sin(p/2)

1
sin(π+x)=cos(-π/3)
-sinx=1/2
sinx=-1/2
x=7π/6+2πn U x=11π/6+2πn,n∈z
2
cos(π+x)=sinπ/2
-cosx=1
cosx=-1
x=π+2πn,n∈z