(2009•杭州一模)设函数y=2sin(2x+π3)
(2009•杭州一模)设函数y=2sin(2x+π3)
设函数y=2sin(2x+π3)
(2012•杭州二模)函数f(x)=sin(x+π2)cosx(x+π6)
(2010•杭州模拟)函数f(x)=sin(π3-x),则要得到函数y=cos(x+2π3)的图象,只需将函数y=f(x
设函数 f(x)=sin(2x+y),(-π
(2007•西城区二模)设x∈R,函数y=k•sinx+sin(3π2−x)
(2012•杭州一模)已知函数f(x)=sin(2x+π3),要得到12f′(x)的图象,只需将f(x)的图象( )个
(2012•资阳一模)设函数f(x)=2sin(2x+π3),则下列结论正确的是( )
设函数y=3sin(2x+φ)(0
(2008•杭州一模)设实数x,y满足x2+2xy-1=0,则x+y的取值范围是______.
(2011•杭州)设函数y=kx2+(2k+1)x+1(k为实数)
(2013•资阳一模)为了得到函数y=sin(2x+π6)的图象,只需把函数y=sin2x的图象( )