函数y=sin(-2x+π÷6)的单调递减区间

函数y=sin(-2x+π÷6)的单调递减区间
函数y=sin(-2x+π÷6)的单调递减区间

函数y=sin(-2x+π÷6)的单调递减区间
y=sin(-2x+π/6)=-sin(2x-π/6)
递减区间为-π/2+2πn≤2x-π/6≤π/2+2πn
-π/6+πn≤x≤π/3+πn
所以递减区间为【-π/6+πn,π/3+πn】