1.f(x)=向量a·向量b,其中向量a=(2cosx,1),向量b(cosx,√3sin2x+m)(1)求函数f(x)最小正周期和在[0,π]上的单调递增区间.(2)当x∈[0,π/6]时,-4<f(x)<4恒成立,求实数m的取值范围.2.已知向量a=(cosa,sina
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 04:19:47
![1.f(x)=向量a·向量b,其中向量a=(2cosx,1),向量b(cosx,√3sin2x+m)(1)求函数f(x)最小正周期和在[0,π]上的单调递增区间.(2)当x∈[0,π/6]时,-4<f(x)<4恒成立,求实数m的取值范围.2.已知向量a=(cosa,sina](/uploads/image/z/2553186-66-6.jpg?t=1.f%28x%29%3D%E5%90%91%E9%87%8Fa%C2%B7%E5%90%91%E9%87%8Fb%2C%E5%85%B6%E4%B8%AD%E5%90%91%E9%87%8Fa%3D%EF%BC%882cosx%2C1%EF%BC%89%2C%E5%90%91%E9%87%8Fb%28cosx%2C%E2%88%9A3sin2x%2Bm%29%281%29%E6%B1%82%E5%87%BD%E6%95%B0f%28x%29%E6%9C%80%E5%B0%8F%E6%AD%A3%E5%91%A8%E6%9C%9F%E5%92%8C%E5%9C%A8%5B0%2C%CF%80%5D%E4%B8%8A%E7%9A%84%E5%8D%95%E8%B0%83%E9%80%92%E5%A2%9E%E5%8C%BA%E9%97%B4.%EF%BC%882%EF%BC%89%E5%BD%93x%E2%88%88%5B0%2C%CF%80%2F6%5D%E6%97%B6%2C-4%EF%BC%9Cf%28x%29%EF%BC%9C4%E6%81%92%E6%88%90%E7%AB%8B%2C%E6%B1%82%E5%AE%9E%E6%95%B0m%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4.2.%E5%B7%B2%E7%9F%A5%E5%90%91%E9%87%8Fa%3D%EF%BC%88cosa%2Csina)
xR_oP*}lB[lIk&>::pu(c`/w my+xNo,>fҦ/̮hJk[c^emIԅ{D1vp$N>u=;N5km)djm{A{yV;g5 +sfQnHzc:
Iӷ*AXBܰv24nnH cy#u$1_Y$luQ9Vs $d9D*A&vண7