函数f(x)=sin(-1/2x-π/3)的递减区间为

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函数f(x)=sin(-1/2x-π/3)的递减区间为
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函数f(x)=sin(-1/2x-π/3)的递减区间为
函数f(x)=sin(-1/2x-π/3)的递减区间为

函数f(x)=sin(-1/2x-π/3)的递减区间为
f(x)=sin(-1/2x-π/3)
=-sin(1/2x+π/3)
所以f(x)递减则sin(1/2x+π/3)递增
则2kπ-π/2