摘要: (2012新课标9)已知$\omega>0,$函数$f(x)=sin(\omega x+\dfrac{\pi}{4})$在$(\dfrac{\pi}{2},\pi)$上单调递减,则$\omega$的取值范围是______ 阅读全文
posted @ 2018-11-26 08:26 M.T 阅读(668) 评论(0) 推荐(0) 编辑