函数f(x)=sinx-根3cosx(x属于-pai到0)的单调性增区间是A(-pai,-5/6pai ) B (-5/6pai,-1/6pai)C-(1/3pai,0 ) D (-1/6pai,0)

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函数f(x)=sinx-根3cosx(x属于-pai到0)的单调性增区间是A(-pai,-5/6pai ) B (-5/6pai,-1/6pai)C-(1/3pai,0 ) D (-1/6pai,0)

函数f(x)=sinx-根3cosx(x属于-pai到0)的单调性增区间是A(-pai,-5/6pai ) B (-5/6pai,-1/6pai)C-(1/3pai,0 ) D (-1/6pai,0)
函数f(x)=sinx-根3cosx(x属于-pai到0)的单调性增区间是
A(-pai,-5/6pai ) B (-5/6pai,-1/6pai)
C-(1/3pai,0 ) D (-1/6pai,0)

函数f(x)=sinx-根3cosx(x属于-pai到0)的单调性增区间是A(-pai,-5/6pai ) B (-5/6pai,-1/6pai)C-(1/3pai,0 ) D (-1/6pai,0)
f(x)=2sin(x-1/3pai)
2kpai-1/2pai