(2011•汕头模拟)已知函数f(x)=cos2(x2−π12
(2011•汕头模拟)已知函数f(x)=cos2(x2−π12
(2011•汕头模拟)已知平面向量a=(sin(π−x)),b=(3,cosx),函数f(x)=a•b.
(2011•徐州模拟)已知函数f(x)=sin2(x-π6)+cos2(x-π3)+sinx•cosx,x∈R.
(2014•泉州模拟)已知函数f(x)=2sinωx2•cosωx2-23cos2ωx2+3(ω>0),其图象与直线y=
(2012•厦门模拟)已知函数f(x)=1−3sin2x+2cos2 x
(2009•荆州模拟)已知函数f(x)=3sinωxcosωx−cos2ωx+12(ω>0,x∈R)的最小正周期为π2.
(2013•湖南模拟)已知向量a=(sinx,2cos2 x),b=(23cosx,−1),函数f(x)=a•
(2012•湖南模拟)已知函数f(x)=12x2+x−(x+1)ln(x+1)
(2010•湖北模拟)已知函数f(x)=2asinωxcosωx+b(2cos2ωx-1)(ω>0)在x=π12时取最大
(2013•铁岭模拟)已知函数f(x)=2sin(x+θ2)cos(x+θ2)+23cos2(x+θ2)-3
(2012•汕头二模)已知函数f(x)=x2-(a+2)x+alnx,其中常数a>0.
(2011•天津模拟)已知函数f(x)=(x2-3x+3)•ex.