已知向量a=(根号3sinwx,coswx),b=(coswx,-coswx)(w>0),函数f(x)=ab+1/2的图像的两条相邻对称轴间的距离为π/4..(1):求函数f(x)的单调递增区间(2):若cosx>=1/2,x∈(0,π),且f(x)=m有且只有一个实根,则求
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![已知向量a=(根号3sinwx,coswx),b=(coswx,-coswx)(w>0),函数f(x)=ab+1/2的图像的两条相邻对称轴间的距离为π/4..(1):求函数f(x)的单调递增区间(2):若cosx>=1/2,x∈(0,π),且f(x)=m有且只有一个实根,则求](/uploads/image/z/2523797-53-7.jpg?t=%E5%B7%B2%E7%9F%A5%E5%90%91%E9%87%8Fa%3D%28%E6%A0%B9%E5%8F%B73sinwx%2Ccoswx%29%2Cb%3D%28coswx%2C-coswx%EF%BC%89%EF%BC%88w%3E0%EF%BC%89%2C%E5%87%BD%E6%95%B0f%28x%29%3Dab%2B1%2F2%E7%9A%84%E5%9B%BE%E5%83%8F%E7%9A%84%E4%B8%A4%E6%9D%A1%E7%9B%B8%E9%82%BB%E5%AF%B9%E7%A7%B0%E8%BD%B4%E9%97%B4%E7%9A%84%E8%B7%9D%E7%A6%BB%E4%B8%BA%CF%80%2F4..%281%29%3A%E6%B1%82%E5%87%BD%E6%95%B0f%28x%29%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%EF%BC%9A%E8%8B%A5cosx%3E%3D1%2F2%2Cx%E2%88%88%EF%BC%880%2C%CF%80%EF%BC%89%2C%E4%B8%94f%28x%29%3Dm%E6%9C%89%E4%B8%94%E5%8F%AA%E6%9C%89%E4%B8%80%E4%B8%AA%E5%AE%9E%E6%A0%B9%2C%E5%88%99%E6%B1%82)
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