求y=sin(-2x+π/6)的单调增区间?
参考答案这样给的：求y=sin(-2x+π/6)的单调增区间,即求y=sin2x-π/6的增区间!应该是求y=sin(-2x+π/6)的单调增区间,即求y=sin2x-π/6的的减区间!