1 . 满足
的最大负角
的弧度数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e7c0cdace3274e319f519869bb0016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
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2011高三·山西·竞赛
2 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca77726b5ab51fbcab8d0d2cda6ac826.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca77726b5ab51fbcab8d0d2cda6ac826.png)
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2011高三·湖北·竞赛
3 . 已知
,满足集合
,则所有
构成的集合为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8732a99e5a04516ac0838350fd8f344b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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2011高三·湖北·竞赛
4 . 满足方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ba08f3f83a17762c69eaa54088bd4e0.png)
的实数对
的个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ba08f3f83a17762c69eaa54088bd4e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5cf70f8cd5ea56d84f0ec00639c863a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
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2011高三·福建·竞赛
5 . 函数
的最大值为 ______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e469032229802acbc96effe17cee851c.png)
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6 . 函数
的值域为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e2c383f992582988694f093134d36a.png)
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7 . 若
,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7d3210b447931379c30456fe92cde94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
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2009高三·湖南·竞赛
8 . 在
中,
是边
的中点.若
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec7f556b9e08fc9a0e4a5a68a27ca420.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a6e37b488e610a96dbe7466a11f89.png)
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2007高三·陕西·竞赛
9 . 实数
满足
,且
,则
的值为 __________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61769f0fb968ad007764d473587f8d21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1705fdfd8496e0875431137284d5f03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4810e4909806fb52a2402d88864d6ee8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aaa288c068d3efe20555b9232c2b9fe.png)
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