解题方法
1 . 已知
,若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d67be899bc131ec1b9921ae9787c40d5.png)
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e176c51396d4074dbe828283e914de89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6012ad9ec315cae92d539f3e08625645.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d67be899bc131ec1b9921ae9787c40d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e176c51396d4074dbe828283e914de89.png)
A.![]() | B.![]() | C.![]() | D.0 |
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解题方法
2 . 已知向量
为互相垂直的两个单位向量,若向量
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5a4a9537264201de1f4c0b5dd236077.png)
,则当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
__________ 时,
取到最小值;此时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e00665a8c1971c54615a013740a0171.png)
的最小值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10814bc3db929e79874befe96cf4e3d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5719d3ef48c90aba13985cd42f9469f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5a4a9537264201de1f4c0b5dd236077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3000ec4b24dc6547cd7aaafa7c4b4405.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87aafc1e049160afcf94f26f330012be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e00665a8c1971c54615a013740a0171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59adb100c1a95619a62c5fd5a07aade1.png)
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3 . 若某次乒乓球练习中,乒乓球发球后先后击中已方桌面
和对方桌面
,且
长为60英寸,球在
中点
处到达最高点,高度为
英寸,乒乓球网位于
上靠近
的三等分点
处,网高为6英寸,球恰好沿着网的上边界越过,其轨迹图象如下:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41322821ce31416fdac8dd6e0aa41c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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4 . 已知定义域为
的函数
在区间
上单调递增,且
,若函数
是奇函数,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c98879a823e90f7249b95dde4223ba02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd084506fe160e072aa57164e25b83e.png)
A.4是![]() | B.![]() |
C.函数![]() | D.函数![]() ![]() |
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解题方法
5 . 已知角
的顶点在坐标原点,始边与
轴非负半轴重合,终边过点
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c52b2d124d1c3bd4f865e7b653ad5c4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
6 . 已知函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f932b302763a8ccc20e72c504e4788.png)
A.函数![]() ![]() |
B.函数![]() ![]() |
C.函数![]() ![]() |
D.函数![]() ![]() ![]() |
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7 . 已知向量
,
.下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b981b38133d5d65060dd8ff4d65a66be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30e383d576da2ca0c9e833d9d362929d.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若向量![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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8 . 如图,已知函数
在
单调递增,且经过点
,
,则
,
的值分别是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe3c339f6b1ab17fe76ebab9ae35eab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b5e960105437b0cce733ef4f21b201.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/633ca6abf0a23f7986facd5941edfe2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/921dc9e1e2bb357d8ea272c128a442d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/31/93be5e91-52b7-4a9f-b802-c7986c9efdcb.png?resizew=168)
A.1,![]() | B.1,![]() | C.3,![]() | D.3.![]() |
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解题方法
9 . 如图,已知点
,
,点C是y轴上的动点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2375a27ead9549550676d4e6a2b47243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f605a7fc2f1064fe14882ee426839db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7590a22611f3935d8e32eac956c2a4c1.png)
A.2 | B.4 | C.6 | D.8 |
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10 . 已知
,则
是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f1b185184af08d990b5ac19c2430c0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
A.第一象限角 | B.第二象限角 |
C.第三象限角 | D.第四象限角 |
您最近一年使用:0次