1 . 动点
在圆
上绕坐标原点沿逆时针方向匀速旋转,其初始位置为
,12秒旋转一周,则动点
的纵坐标
关于时间
(单位:秒)的函数式为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17375498fcd71a15ba331cdbab76fc10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2edfed337d981f970a65655024c0921e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2020-03-22更新
|
195次组卷
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7卷引用:2017届安徽省马鞍山市高三毕业班第二次教学质量检测数学试卷
2017届安徽省马鞍山市高三毕业班第二次教学质量检测数学试卷广东省汕头市2017届高三第三次模拟考试数学(理)试题河南省林州市林虑中学2019-2020学年高一3月线上考试数学试题(已下线)1.6 三角函数模型的简单应用-2020-2021学年高一数学课时同步练(人教A版必修4)(已下线)知识点15 三角函数应用-2021-2022学年高一数学同步精品课堂讲+例+测(苏教版2019必修第一册)(已下线)专题5.7 三角函数的应用-《讲亮点》2021-2022学年高一数学新教材同步配套讲练(人教A版2019必修第一册)(已下线)5.7 三角函数的应用-2021-2022学年高一数学上学期同步课堂习题测试(人教A版2019必修第一册)
名校
2 . 在
中的内角
、
、
,
,
是边
的三等分点(靠近点
),
.
(
)求
的大小.
(
)当
取最大值时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9432644d8afc94886ad43b065ab9b457.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a0f2e558f82748edf302f4ce8942c3b.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c96d049465a04bb9d09f97c0d33f7f1.png)
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2017-12-12更新
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3 . 设函数
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/2017/11/19/1820677134385152/1824063822217216/STEM/1d2924247caa435daa78de4289790851.png?resizew=107)
(1)求函数
的解析式;
(2)当
时,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66daa26b6b152b405b83ea2820308d6d.png)
![](https://img.xkw.com/dksih/QBM/2017/11/19/1820677134385152/1824063822217216/STEM/1d2924247caa435daa78de4289790851.png?resizew=107)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f93ee8a9e509b51392a293c3773644de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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2017-11-24更新
|
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4 . 将函数
的图象向右平移
个单位后得到函数
的图象,若
的图象关于直线
对称,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83b03689fcf45aa7c5bf4a6b38a0f7c6.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0440f6d2a9afe22870c1f3304221f0f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a087749d28290a98d8177160b34961.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08c2b424a10ae88a425b89a00ed580e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83b03689fcf45aa7c5bf4a6b38a0f7c6.png)
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5 . 若向量
与
满足
,且
,则向量
在
方向上的投影为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a39b84cda581a2ba2240f3eb75216a2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47f93503d85ec5a63c5b33e390d7be62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
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2017-11-24更新
|
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6 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c18ac2817c37f1e8ceaf0b2ad0719945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0dcc8d9d764253bf9354d5b18ce1a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c18ac2817c37f1e8ceaf0b2ad0719945.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 已知
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff43d53a7d8238bfbaf9ede53622dfb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa6768e4f0ab52a4cc3de263b8ae4c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9b8be78e152afd2236a14f2bce9060f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9b8be78e152afd2236a14f2bce9060f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 将函数
的图象向左平移
个单位长度后,得到函数
的图象,则函数
的图象的一条对称轴方程可以是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50d07059fbc706db6d87e711fd25b612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-10-27更新
|
586次组卷
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10 . 已知向量
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/781d6a4646cf7d42f55ec66b14f22970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07f0b02805448e2dbb9cd82c810ee5d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aff77af51093e12259d1fd60f046c445.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
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2017-10-03更新
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