Pi?
three
) The image is first translated to the left.
Pi?
six
, get y=sin(x+
Pi?
six
-
Pi?
three
)=sin(x-
Pi?
six
)
Then the abscissa of all points on the obtained image is changed to the original abscissa.
1
2
(the ordinate is unchanged), y=sin(2x-
Pi?
six
)
So choose C.