(2007•崇明县一模)方程sin(x+π6)=3cos(x+π6)
(2009•崇明县一模)函数y=sin(x+π6)+cos(x−π6)的最大值、最小值分别为( )
(2009•崇明县一模)函数y=2sin(x+π12)cos(x+π4)的最大值、最小值分别为( )
(2009•崇明县一模)设函数f(x)=cos(2x+π3)+sin2x.
(2009•崇明县二模)函数y=2cos(x+π4)cos(π4−x)
(2012•崇明县一模)已知函数f(x)=cos(2x+π2 )(x∈R),下面结论错误的是( )
(2009•崇明县二模)已知函数f(x)=2sin(π4+2x)cos(π4+2x),x∈R,则f(x)是 (
(2009•崇明县二模)已知函数f(x)=2sin(π2+4x),x∈R,则f(x)是( )
(2013•南开区一模)已知函数f(x)=sin(2x+π6)−cos(2x+π3)+2cos2x.
(2005•闸北区一模)已知函数f(x)=sin(x+π6)−cos(x+π3)+cosx,
(2012•上饶一模)f(x)=sinπ3x−3cosπ3x
(2013•南京一模)设向量a=(sin(x−π3),cos(x−π3)),b=(cos(φ+5π6),sin(φ+5π
三角函数对称轴问题1.y=sin(x+π/6)cos(x+π/6)的对称轴方程2.f(x)=sinwx+cos(wx+π