(2008•石景山区一模)已知函数f(x)=sin(x+π6)+sin(x−π6)+2cos2x2+a(a∈R,a为常数
(2008•石景山区一模)已知函数f(x)=sin(x+π6)+sin(x−π6)+2cos2x2+a(a∈R,a为常数
已知函数f(x)=sin(2x+π6)+2sin2(x+π6)−2cos2x+a−1(a∈R,a为常数)
已知函数f(x)=sin(2x+π/6)+sin(2x-π/6)+cos2x+a(a∈R,a为常数)
已知f(x)=sin(x+π/6)+sin(x-π/6)+acosx+b,(a,b∈R,且均为常数).(1)求函数f(x
已知f(x)=2sin(2x+π/6)+a+1(a∈R,a为常数)
已知函数f(x)=sin(x+π/6)+sin(x- π /6)+cosx+a (x属于R,a为常数) ①求函数f(x)
(2010•湖南模拟)已知函数f(x)=sin(x+π6)+sin(x−π6)+cosx+a(a∈R,a为常数).
已知函数f(x)=sin(x π/6) +sin(x-π/6) +acosx +b(a,b∈r,且均为常数)
已知函数f(x)=sin(2x+pai/6)+sin(2x-pai/6)+cos2x+a(a属于R,a为常数)
已知f(x)=3cos(x+3π2)+cos(x−3π2)+sin(x+π)+a(a∈R,a为常数).
已知函数f(x)=sin(x+6分之π)+sin(x-6分之π)+cosx+a(a属于R,a是常数).(1)求函数f(x
已知函数f(x)=sin(x+π/6)+sin(x-π/6)+cosx+a(a属于R,a是常数) 求常数a的值