求函数在f(x)=sinx-根号3cosx(x属于[-派,0])

求函数在f(x)=sinx-根号3cosx(x属于[-派,0])
求函数在f(x)=sinx-根号3cosx(x属于[-派,0])

求函数在f(x)=sinx-根号3cosx(x属于[-派,0])
=2*[(1/2)*sinx-(√3/2）cosx]
=2*[cos(π/3)*sinx-sin(π/3)*cosx]
=2*sin（x-π/3)