设函数f(x)=2x+cosα-2-x+cosα,x∈R,且f(1)=34.(1 发布时间:2017-04-24 14:18 │ 来源:www.tikuol.com 题型:解答题 问题: 设函数f(x)=2x+cosα-2-x+cosα,x∈R,且f(1)=34.(1)求α的取值的集合;(2)若当0≤θ≤π2时,f(mcosθ)+f(1-m)>0恒成立,求实数m的取值范围.
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