SIN(x/10)=-√2/2
sin(p-x/10)=-√2/2
x/10=arcsin(-√2/2)
p-x/10=arcsin(-√2/2)
x/10=-p/4
p-x/10=-p/4
x/10=-p/4+2pk k€Z
p-x/10=-p/4+2pk k€Z
x=35p/2+20pk k€Z
x=25p/2-20pk k€Z
SIN(x/10)=-√2/2
sin(p-x/10)=-√2/2
x/10=arcsin(-√2/2)
p-x/10=arcsin(-√2/2)
x/10=-p/4
p-x/10=-p/4
x/10=-p/4+2pk k€Z
p-x/10=-p/4+2pk k€Z
x=35p/2+20pk k€Z
x=25p/2-20pk k€Z