已知函数 f(x)=4coswx·sin(wx+兀/4) (w>0)的最小正周期为已知函数 f(x)=4coswx·sin(wx+兀/4) (w>0)的最小正周期为兀 (Ⅰ)求w的值 (Ⅱ)讨论f(x)在区间[0,2]上的单调性
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 04:36:19
![已知函数 f(x)=4coswx·sin(wx+兀/4) (w>0)的最小正周期为已知函数 f(x)=4coswx·sin(wx+兀/4) (w>0)的最小正周期为兀 (Ⅰ)求w的值 (Ⅱ)讨论f(x)在区间[0,2]上的单调性](/uploads/image/z/5195724-60-4.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0+f%EF%BC%88x%EF%BC%89%3D4coswx%C2%B7sin%EF%BC%88wx%2B%E5%85%80%2F4%EF%BC%89+%EF%BC%88w%3E0%EF%BC%89%E7%9A%84%E6%9C%80%E5%B0%8F%E6%AD%A3%E5%91%A8%E6%9C%9F%E4%B8%BA%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0+f%EF%BC%88x%EF%BC%89%3D4coswx%C2%B7sin%EF%BC%88wx%2B%E5%85%80%2F4%EF%BC%89+%EF%BC%88w%3E0%EF%BC%89%E7%9A%84%E6%9C%80%E5%B0%8F%E6%AD%A3%E5%91%A8%E6%9C%9F%E4%B8%BA%E5%85%80+%EF%BC%88%E2%85%A0%EF%BC%89%E6%B1%82w%E7%9A%84%E5%80%BC+%EF%BC%88%E2%85%A1%EF%BC%89%E8%AE%A8%E8%AE%BAf%EF%BC%88x%EF%BC%89%E5%9C%A8%E5%8C%BA%E9%97%B4%5B0%2C2%5D%E4%B8%8A%E7%9A%84%E5%8D%95%E8%B0%83%E6%80%A7)
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