1 . 不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fc4a92d017d555caafd1c72d3b48f0f.png)
A.![]() ![]() | B.![]() | C.![]() ![]() | D.![]() |
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2 . 三个数
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42a79c0caf574c5ae869d1d86e00f18.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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3 . 设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba24a5dce47fbd2a79a593ca0be5069.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8011eeefc40482bd0e627d84a30aeb19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba24a5dce47fbd2a79a593ca0be5069.png)
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4 . 已知
,
是第二象限角.
(1)求
和
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9bc052a11cf1a01445992672dde2836.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f5b6bda1df4487146778acc9ab02264.png)
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5 . 已知函数
是奇函数,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a39c3f1c3326f33182fff7f5060824a4.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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6 . 已知角
的终边过点
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d03268e486f9fb09a44eca7d8ff7a9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311249090cb56174ee541fabfbc15ab6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 已知正实数x,y满足
,则xy的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4edfef181ed229ed1a3bb2295be7db9.png)
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8 . 已知函数
,
的零点分别是
与
.
(1)若
,解不等式
;
(2)已知
,
①证明:
;
②若
,
满足
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3023e7cb9c12cd7789dd5babcbc81bfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460fb23be742df604c9e3acbadb975d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c97b49ac1c01655ddceb48cc71585f62.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
①证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d755a0a76e2102eb6e29db34df0903dd.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/123371927e0a2f94563eb7321039dfbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ceddc345bfa05b7c0c61ec02470188a.png)
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9 . 已知集合
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a6ccd27aaef0641a727c2b93e48f2f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b008182d2c09dc884ef5fcf9e7651d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87cd8ac27dcd9ebf4ae3727c7544264.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9483e122e2b8b02794ce03405ba48a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 集合
,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a18ce0fd485ae199f51654e62475c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac4764cf2bfd520b6c47d06407a1d16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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