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1问题2012年南通市第二次模拟考试第19题是这样的:已知函数f(x)=x+sinx.(1)略.(2)求实数a的取值范围,使不等式f(x)≥axcosx在[0,π/2]上恒成立.
1 Problem 2012 Nantong City, the second simulation test Question 19 is this: Known function f (x) = x + sinx (1) slightly. (2) Find the real a range of values, so inequality f x) ≥axcosx holds on [0, π / 2].