10.如图,在正方体ABCD−A1B1C1D1ABCD-A_{1}B_{1}C_{1}D_{1}ABCD−A1B1C1D1中,OOO是ACACAC中点,点PPP在线段A1C1A_{1}C_{1}A1C1上,若直线OPOPOP与平面A1BC1A_{1}BC_{1}A1BC1所成的角为θ\thetaθ,则sinθ\sin \thetasinθ的取值范围是((( )))