翻译句子
After the clothes were dry outside, she them and put them in her suitcase.
下列关于铁的说法中,正确的是( )
已知函数f(x)=cos(ωx﹣π6)﹣cos(ωx+π6)﹣2cos2ωx2(ω>0)的最小正周期为π.
(Ⅰ)求ω的值;
(Ⅱ)求f(x)的单调递增区间.