已知f(x)=2sin(2x+π/6)-1 0
2个回答
y=sinx,在[-π/2 +2kπ,π/2 +2kπ]递增
所以-π/2 +2kπ≤2x+π/6≤π/2 +2kπ,即-π/3+kπ≤x≤π/6 +kπ
当k=0时,0
相关问题
已知函数f(x)=2sin(x+[π/6])•sin([π/3]-x),如果f(x1)=f(x2)=0,其中x1≠x2,
已知函数f(x)=sin(x+π/6)+sin(x-π/6)-2cos^2(x/2),x∈[0,π] 求化简函数f(x)
已知函数f(x)=2sin(x+π/6)-2sin(π/2+x) x∈[π/2,π]
已知函数f(x)=sin(2x+π/6)+sin(2x+π/6)+2cos²x
已知函数f(x)=sin(2x+π/6)+sin(2x-π/6)+2cos²x
已知函数f(x)=sin(2x+π/6)+sin(2x -π/6)+2cos²x
已知函数f(χ)=sin(2x+π/6 )+sin(2x- π/6)+cos2x+1(x∈R),
已知函数f(x)=2sin(2x+π/6)-1
已知函数f(x)=sin(2x+π/6)+sin(2x-π/6)+cosx+a,
已知函数f(x)=1−sin(2x−π6)