已知a=(√3,cosx),b=(cosx,sinx),函数f(x)=a·b-√3/2已知a=(√3,cosx),b=(cosx,sinx),函数f(x)=a·b-√3/2 (1)求函数f(x)的单调增区间 (2)若x属于[0,π/4],求函数f(x)的取值范围 (3)函
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![已知a=(√3,cosx),b=(cosx,sinx),函数f(x)=a·b-√3/2已知a=(√3,cosx),b=(cosx,sinx),函数f(x)=a·b-√3/2 (1)求函数f(x)的单调增区间 (2)若x属于[0,π/4],求函数f(x)的取值范围 (3)函](/uploads/image/z/350791-7-1.jpg?t=%E5%B7%B2%E7%9F%A5a%3D%EF%BC%88%E2%88%9A3%2Ccosx%EF%BC%89%2Cb%3D%EF%BC%88cosx%2Csinx%EF%BC%89%2C%E5%87%BD%E6%95%B0f%EF%BC%88x%EF%BC%89%3Da%C2%B7b-%E2%88%9A3%2F2%E5%B7%B2%E7%9F%A5a%3D%EF%BC%88%E2%88%9A3%2Ccosx%EF%BC%89%2Cb%3D%EF%BC%88cosx%2Csinx%EF%BC%89%2C%E5%87%BD%E6%95%B0f%EF%BC%88x%EF%BC%89%3Da%C2%B7b-%E2%88%9A3%2F2+%EF%BC%881%EF%BC%89%E6%B1%82%E5%87%BD%E6%95%B0f%EF%BC%88x%EF%BC%89%E7%9A%84%E5%8D%95%E8%B0%83%E5%A2%9E%E5%8C%BA%E9%97%B4+%EF%BC%882%EF%BC%89%E8%8B%A5x%E5%B1%9E%E4%BA%8E%5B0%2C%CF%80%2F4%5D%2C%E6%B1%82%E5%87%BD%E6%95%B0f%EF%BC%88x%EF%BC%89%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4+%EF%BC%883%EF%BC%89%E5%87%BD)
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