1 . 终边在第三象限的角的集合可以表示为_________ .
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2 . 中心在坐标原点,焦点在
轴上的椭圆经过点![](https://img.xkw.com/dksih/QBM/2016/4/14/1572593588240384/1572593593769984/STEM/6269bc806e5e443887a63c1acf04f7c7.png?resizew=16)
,椭圆的两个焦点分别为F1、F2,若
,则椭圆的方程为________ .
![](https://img.xkw.com/dksih/QBM/2016/4/14/1572593588240384/1572593593769984/STEM/29d2d480642e460db2c9f7d8a27036b5.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/4/14/1572593588240384/1572593593769984/STEM/6269bc806e5e443887a63c1acf04f7c7.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2016/4/14/1572593588240384/1572593593769984/STEM/737f43e0e0fc402f8ad941531369ffab.png?resizew=35)
![](https://img.xkw.com/dksih/QBM/2016/4/14/1572593588240384/1572593593769984/STEM/c554a089ff4c47618c09aa40a27ddb4f.png?resizew=71)
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2016-12-03更新
|
430次组卷
|
2卷引用:2015-2016学年海南省文昌中学高二上期末理科数学试卷
3 . 设
,则
的值为 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdd10c544b6e5724198373ccfc6d9fa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7aee1bdf88245365cb725ce271a7e8.png)
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4 .
中常数项是_________ .(写出数字)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1740c41f5a3bca2af380c80c3c2621e.png)
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2010高二·海南·学业考试
5 . 已知数列
,
,
,
,
,…,这个数列的特点是从第二项起,每一项都等于它的前后两项之和,则这个数列的前
项之和
= ______ .
![](https://img.xkw.com/dksih/QBM/2011/12/27/1570635179106304/1570635184553984/STEM/676dd3d21dbc462889bedb8a7a428c97.png?resizew=37)
![](https://img.xkw.com/dksih/QBM/2011/12/27/1570635179106304/1570635184553984/STEM/222ff512e8a14ec49edc26f417ee72f6.png?resizew=37)
![](https://img.xkw.com/dksih/QBM/2011/12/27/1570635179106304/1570635184553984/STEM/9fc6957ca9ec49dab63c01376a2ed0ba.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2011/12/27/1570635179106304/1570635184553984/STEM/a08608d09bab4576a003d75625dca3d7.png?resizew=49)
![](https://img.xkw.com/dksih/QBM/2011/12/27/1570635179106304/1570635184553984/STEM/8c639b2834994de2825df988cfebc58b.png?resizew=49)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb8b5f0ffe0a3eec01f91f2e9a5db687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258cb9187f4d464ba98ccd9eff1b89fc.png)
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6 . 若
,则
的取值范围是___________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc7b8842b41c825db6b8de630402d60a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b39f452021b415246aab9b4cba96c002.png)
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名校
7 . 圆锥SAB的底面半径为
,母线长
为
的中点,一个动点自底面圆周上的
点绕圆锥侧面移动到
,则这点移动的最短距离是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fc186fb0704d7d59be6e2483bee6fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6e2867f32d3f1c3cd36cd3a11a8580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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名校
解题方法
8 . 已知向量
、
的夹角为
,
,
,则向量
在向量
上的投影向量为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b199d124fb9a5bc8438c9884f04534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c9b39c232d3927cadecd6ca38403838.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a593f5a5b0b6d5a3e4bb0481875af6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
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9 . 数列
满足
,
,则
=___________ .
![](https://img.xkw.com/dksih/QBM/2016/3/25/1572557501038592/1572557507084288/STEM/c7dcb80cab7643b6a90bc326f4c28e79.png?resizew=31)
![](https://img.xkw.com/dksih/QBM/2016/3/25/1572557501038592/1572557507084288/STEM/0c906721f0d940c685425f484af6a586.png?resizew=85)
![](https://img.xkw.com/dksih/QBM/2016/3/25/1572557501038592/1572557507084288/STEM/e7d61607b136454d9bac193761ea1c2d.png?resizew=48)
![](https://img.xkw.com/dksih/QBM/2016/3/25/1572557501038592/1572557507084288/STEM/018236918b074001a64cd0fa2678a89e.png?resizew=17)
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12-13高一上·海南·期末
名校
10 . 关于函数
有下列命题:
①由
可得
必是
的整数倍;
②
的表达式可改写为
;
③
的图象关于点
对称;
④
的图象关于直线
对称;
⑤
在区间
上是增函数;其中正确的是___________ . (请将所有正确命题的序号都填上)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a40ec56e0c582370f8c2c6d1918ace4f.png)
①由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c2a6c35384d6ebc5e47ffecb16c1d84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e86e6f0ac5903369afea2c8d04ba412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1c946be9f30748f388a9e3c0a3c0f0.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57dcc3b6830eee4a110f42fba9b9d715.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f56a20bc5fce6b02217627b42249854.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bddb284223f740e4b9f46b1efbe3ecc8.png)
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