
A.y=sin(-2x+) B.y=sin(-2x-
)
C.y=sin(-2x+) D.y=sin(-2x-
)
A.y=sin(-2x+) B.y=sin(-2x-
)
C.y=sin(-2x+) D.y=sin(-2x-
)
解析
:由y=sin2xy=sin2(x-
)=sin(2x-
)
y=sin(-2x-
),故选D.
答案
:D