试题与答案

已知函数f(x)=2sin2x+23sinxcosx+1.(1)求f(x)的最小

题型:解答题

题目:

已知函数f(x)=2sin2x+2
3
sinxcosx+1.
(1)求f(x)的最小正周期和最大值;
(2)求f(x)在[0,
π
2
]
上的值域.

答案:

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答案:C题目分析:A.没有错字;B.渲(宣),;C. 溯(朔),做(作);D.竿(杆)点评:本考点考查的对象主要是常见字、常用字、易混字,特别是易混字,即因音近、形近或音义相近而容易混淆的常见、常用字。...

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