函数f(x)=1-2a-2a cosx-2sin²x的最小值为g(a)(a∈R) (1)求g(a)函数f(x)=1-2a-2a cosx-2sin²x的最小值为g(a)(a∈R)(1)求g(a)的表达式(2)若g(a)=½求a的值
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![函数f(x)=1-2a-2a cosx-2sin²x的最小值为g(a)(a∈R) (1)求g(a)函数f(x)=1-2a-2a cosx-2sin²x的最小值为g(a)(a∈R)(1)求g(a)的表达式(2)若g(a)=½求a的值](/uploads/image/z/3779855-71-5.jpg?t=%E5%87%BD%E6%95%B0f%EF%BC%88x%EF%BC%89%EF%BC%9D1%EF%BC%8D2a%EF%BC%8D2a+cosx%EF%BC%8D2sin%26%23178%3Bx%E7%9A%84%E6%9C%80%E5%B0%8F%E5%80%BC%E4%B8%BAg%EF%BC%88a%EF%BC%89%EF%BC%88a%E2%88%88R%EF%BC%89+%EF%BC%881%EF%BC%89%E6%B1%82g%EF%BC%88a%EF%BC%89%E5%87%BD%E6%95%B0f%EF%BC%88x%EF%BC%89%EF%BC%9D1%EF%BC%8D2a%EF%BC%8D2a+cosx%EF%BC%8D2sin%26%23178%3Bx%E7%9A%84%E6%9C%80%E5%B0%8F%E5%80%BC%E4%B8%BAg%EF%BC%88a%EF%BC%89%EF%BC%88a%E2%88%88R%EF%BC%89%EF%BC%881%EF%BC%89%E6%B1%82g%EF%BC%88a%EF%BC%89%E7%9A%84%E8%A1%A8%E8%BE%BE%E5%BC%8F%EF%BC%882%EF%BC%89%E8%8B%A5g%EF%BC%88a%EF%BC%89%EF%BC%9D%26%23189%3B%E6%B1%82a%E7%9A%84%E5%80%BC)
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