题目内容
关于函数
的四个结论:
P1:最大值为
; P2:最小正周期为
;
P3:单调递增区间为
Z;
P4:图象的对称中心为
Z .其中正确的有( )
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P1:最大值为
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P3:单调递增区间为
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P4:图象的对称中心为
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A.1 个 | B.2个 | C.3个 | D.4个 |
C
试题分析:
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所以最大值为
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点评:本题是基础题,考查三角函数的基本性质,牢记基本知识,基本性质是解好数学题目的关键.
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题目内容
A.1 个 | B.2个 | C.3个 | D.4个 |