f(x)=sin(2x-π/6),π/4≤x≤π/2,求f(x)的值域
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f(x)=sin(2x-π/6),π/4≤x≤π/2,求f(x)的值域f(x)=sin(2x-π/6),π/4≤x≤π/2,求f(x)的值域f(x)=sin(2x-π/6),π/4≤x≤π/2,求f(
f(x)=sin(2x-π/6),π/4≤x≤π/2,求f(x)的值域
f(x)=sin(2x-π/6),π/4≤x≤π/2,求f(x)的值域
f(x)=sin(2x-π/6),π/4≤x≤π/2,求f(x)的值域
π/4≤x≤π/2 π/2≤2x≤π π/3≤2x-π/6≤5π/6
f(x)=sin(2x-π/6)的域是[1/2,1]