名校
1 . 如图,正方体
的棱长为2,E是棱
的中点,
是侧面
上的动点,且满足
平面
,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b724168afaee2ecddf97257180be18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1df970d8b2fcbb38bfac1dc33da9179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/923189afc198d153c79059a827f63c87.png)
A.直线![]() ![]() ![]() |
B.存在点![]() ![]() |
C.平面![]() ![]() |
D.平面![]() ![]() ![]() |
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2 . 在平面四边形
中,对角线
和
交于点
,分别延长
和
交于点
,连接
并延长交
于点
.
为圆的内接四边形,
,
(i)求
的长;
(ii)求
的值;
(2)如图(2),若
的面积等于3,当
取最小值时,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bcecec8b827028ed19ed2256b6b6887.png)
(i)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
(ii)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e0f405180e34fc36d15d86bb9af4182.png)
(2)如图(2),若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fec416eeff7b8a8c2865ab57a4b6b46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcaac97efa5492fc72fb0f773f0c4861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/441dec590b47adc3678a291a3ec89a4a.png)
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3 . 在
中,分别根据甲、乙、丙、丁四个条件判断三角形的形状,甲:
;乙:
;丙:
;丁:
.判断结果与其它三个不一样的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e02e6946143207c276f7430942c1b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd7ec9f2a433a1fe1975b221025a4be5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2681f0d1732bcaa8d6362fbd1fa6caa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/503132521af12ec028431a6010a74e11.png)
A.甲 | B.乙 | C.丙 | D.丁 |
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4 . 已知
为
所在平面内一点,满足
,且
的面积为
.
(1)求
的值;
(2)求
的值;
(3)若点
是线段
上一点,过点
分别向
作垂线,垂足分别为E,F,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f434955904bfc18d7062db95d4c44ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b12efb03327f461e868b2ea433f9b0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad71547a1a45cc7b11d6ecde59884c7.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd18b7f9164b68dd88a5f976c099b3c.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e58e08ee0b2580a62cf20f709b5e90df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b89b3f2de8a3e84b1c6d4dda922d1f0.png)
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名校
解题方法
5 . 辅助角公式是我国清代数学家李普兰发现的用来化简三角函数的一个公式,其内容为
.已知函数
(其中
,
,
).若
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e0211f9184e02c90a578be2951d727.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c6f29b2b1955715616003d51d8b77f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd0914dc4d4c7f75710ff460a286fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edde7022ec45e7b5f0a119c4efec904d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71dc589b69ba2f45f829e3345890e10.png)
A.![]() |
B.![]() ![]() |
C.![]() ![]() |
D.过点![]() ![]() |
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名校
解题方法
6 . 由倍角公式
,可知
可以表示为
的二次多项式.对于
,我们有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8604f1213464671ae14ff30411929efd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b752c5b70e8bef980994bfbb88df7cbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24ac6009b4b740312dc0af7045c62549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51a08df228aef6b4c7088a9f9753e520.png)
可见
也可以表示成
的三次多项式.
(1)利用上述结论,求
的值;
(2)化简
;并利用此结果求
的值;
(3)已知方程
在
上有三个根,记为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c91d0d02d04a3f1b777b0d86e2372e46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed5ff5a2e7663e6a21ccea3149a10113.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e039219978242ec380e66de6cf9bab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8604f1213464671ae14ff30411929efd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b752c5b70e8bef980994bfbb88df7cbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24ac6009b4b740312dc0af7045c62549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51a08df228aef6b4c7088a9f9753e520.png)
可见
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e039219978242ec380e66de6cf9bab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
(1)利用上述结论,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d0ac5e4a6ef4f217b2ffb08aea29489.png)
(2)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57e191a75514170400a9af7a1f28013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a88b4e0ab9e63411ab2e1ddb5dcdba6.png)
(3)已知方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b322f4b08de183d0897d4d81050d9e63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc30165c18de623d0a3efb961e606d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dc6fb329f26c7281c111e8997057cf4.png)
您最近一年使用:0次
2024-04-11更新
|
787次组卷
|
4卷引用:江苏省泰州中学2023-2024学年高一下学期期中考试数学试题
江苏省泰州中学2023-2024学年高一下学期期中考试数学试题(已下线)模块三专题2 新定义专练【高一下人教B版】江西省南昌市第五高级中学2023-2024学年高一下学期期中考试数学试卷(已下线)专题04 三角函数恒等变形综合大题归类 -期末考点大串讲(苏教版(2019))
解题方法
7 . 已知函数
,若
的值域为
,则实数
的值可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7332d4e3ef1a9efaa621677fd2d66682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac87434324956e4145e38ad92a1aa95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 已知
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf6fefae0e922cd385ff046bde7e9a73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f06d421c2616ce30d274d868cd13abcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/549f99e6e10e61af2e7734c4d01ea90c.png)
A.2 | B.3 | C.4 | D.5 |
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9 . 设
是正整数,集合
.当
,集合
有______ 个元素;若集合
有100个元素,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a26e50631247f26a9eb51ff32493a591.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be604061cf1591f7069472269d4c9719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
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解题方法
10 . 已知偶函数
和奇函数
满足
,
为自然对数的底数.
(1)从“①
;②
”两个条件中选一个合适的条件,使得函数
与
的图象在区间
上有公共点,并说明理由;
(2)若关于
的不等式
恒成立,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df412ae6aa217d7eaa8dd3b88faa9b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)从“①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b14cbee30045d5c58b67887f45daf3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cc22eb4479f963546dc809865f69de8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c904567c3b3734e1eca8d042ef7a7b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c292584260d6d1ac87a89ad5355cd1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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