已知函数f(x)=sin(wx+π/3 )(x∈R),且f(π/6 )=1（1）求w的最小值及此时函数y=f(x)的表达式（2）在（1）的前提下设a∈( π/6,2π/3),b∈(-5π/6,- π/3 ).f(a)=3/5.f(b)= -4/5.求tana的值求cos2(a-b)的值又因为 cos2x=1-2co

[非常急]已知函数f(x)=根号3sin(wx+φ)-cos(wx+φ)(0 已知函数f(x)=根号3sin(wx+φ)-cos(wx+φ)(0 已知函数f(x)=√3sin(wx+φ)-cos(wx+φ)(0 已知函数f(x)=根号3sin(wx+a)-cos(wx+a)(0 已知函数f(x)=根号3sin(wx+φ)-cos(wx+φ)(0 已知函数f(x)=√3 sin( wx+φ)-cos(wx+φ) (0 已知函数f(x)=根号3sin(wx+fai)-cos(wx+fai)(0 已知函数f(x)=√3 sin( wx+φ)-cos(wx+φ) (0 已知函数f(x)=√3sin(wx+φ)-cos(wx+φ)(0 已知函数f(x)=sin(wx+π/3)(w>0)的单调增区间为 已知函数f(x)=根号3sin(wx+φ)++(w>0,-π/2 已知函数f(x)=根号3sin(wx+φ)++(w>0,-π/2 已知函数f(x)=sin(wx+φ)(w 已知函数f(x)=sin(wx+φ)(w 已知函数f(x)=sin(wx+φ)(w 已知函数f(X)=sin(Wx+&)(W>0,0 已知函数f x=√3sin(wx+φ/2)*cos(wx+φ/2)+sin^2(wx+φ/2)(w>0,0 已知函数f（x）=sin wx-cos wx最小周期为π 求w 若f（a/2）=1/3求sin2a的值