(2012•青岛二模)已知函数f(x)=cosx+12x,x∈[−π2,π2],sinx0=12,x0∈[−π2,π2]
(2012•青岛二模)已知函数f(x)=cosx+12x,x∈[−π2,π2],sinx0=12,x0∈[−π2,π2]
(2013•青岛二模)已知函数f(x)=sin(2x+π6)−2cos2x.
已知函数f(x)=2cosx•sin(x−π6)−12].
已知函数g(x)=sin(x+π6),f(x)=2cosx•g(x)−12
(2010•怀柔区模拟)已知函数f(x)=−cosx+cos(π2−x),x∈R
(2012•杭州二模)函数f(x)=sin(x+π2)cosx(x+π6)
(2012•资阳一模)已知函数f(x)=[2sin(x−π3)+sinx]•cosx+3sin2x(x∈R).
(2011•甘肃模拟)已知函数f(x)=sin(π2+x)cosx−sinxcos(π−x),
(2011•万州区一模)已知函数f(x)=2sin(x+π6)−2cosx,x∈[π2,π],求:
已知函数f(x)=cos x+12x,x∈[−π2,π2],sin x0=12,x0∈[−π2,π2
已知函数f(x)=2cosx•sin(x+π3)−3sin2x+sinx•cosx
已知函数f(x)=2cosx•sin(x+π3)−3sin2x+sinx•cosx.