名校
1 . 已知函数
,给出下列四个结论,其中正确的结论是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdffe27e4c732d74087265b5a42d186d.png)
A.函数![]() ![]() |
B.函数![]() ![]() |
C.函数![]() ![]() |
D.函数![]() ![]() ![]() |
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名校
2 .
所在平面内一点
满足
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcf25c248a27651e84dc9e270a6b2802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bed7de159fbd4530047db07d6d43e07b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a18798408a1b91fdb12deb79f0b562a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7卷引用:天津市静海区第一中学2019-2020学年高一3月学生学业能力调研考试数学试题
3 . 在三角形
中,
的平分线为
,点
在边
上,
,
,
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.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/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833cfda415649b832cc136caed392753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5201fc26d013f6fb889933c0e32f5c53.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
4 .
(1)已知
,
,求
;
(2)已知
,
.
(i)求
的值;
(ii)求
的值.
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65b6c42393fae47c51101713167ff71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d3c54b7505c8f91cab64cd182768fab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc7d728eb291cc1aac3a3291bc8d5371.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c401644ac207c4940f94dd0decb3d84b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eda6af1f586e6974f7aea22ea5efba1.png)
(i)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a48345d239aaf8e9ca1ff2846c08a99.png)
(ii)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034532656981be7f8ee47dda318aa7b5.png)
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名校
5 . 已知函数
最小正周期为
.
(1)求
的定义域及
的值;
(2)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50fee8790183f65308ca211f8eb4a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fce72decd7897299babebad8788f920.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca4a397c701804c1664c0f08ea5ee53.png)
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2020-03-24更新
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3卷引用:天津市静海县第一中学2017-2018学年高二6月学生学业能力调研数学(文)试题
6 . 在
中,内角
的对边分别是
,已知
.
(Ⅰ)求
的值;
(Ⅱ)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104e19ac25e385408a6d701e554a0e1f.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20cda097a4e7c41100e573d8304ee066.png)
(Ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23da28c638aee546ab49ffbe16fe4b3e.png)
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名校
7 . 已知函数
.
(1)求
的定义域与最小正周期;
(2)当
时,求
值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13b038b2acdca37d8a058000e8b851d1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d19eb6cf90ff20611e1813684d45c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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2019-02-14更新
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名校
8 . 在
中,若
,且
,则
的形状为__________ 三角形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe8b1f58bc3ac16468e272c6765daeb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/131c9835c396fb96dfb64e8663dc08d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
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名校
9 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b62cc8a4026fe47fa6e64b575d5bbd5.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f0dd8ab39458a51339e62c80eab64b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b62cc8a4026fe47fa6e64b575d5bbd5.png)
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解题方法
10 . 已知
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536e072eb0439a5e5b430cd55a129374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdac16c7110b390bd6fbcc28c6c81c5a.png)
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