1 . 已知向量
,
,函数
.
(1)若
是函数
的一个零点,求
的值;
(2)若
,求函数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b6ef1927ff1b1950b5ec1a6d528552d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3566f6891994435d40af2e035cff5c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a46dcad5bde35d8fe0ebe21a3946c72.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e61c9a7ed0961f8977a21dab37aab396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/247f8ae59c5349fca476a0fb0a51b547.png)
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2018-10-29更新
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2 . 若函数
在区间
上的最大值是
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29ad7286e63b78381832980b3a38d44f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15641191c56b4df40e30f0b10c30243a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2018-10-29更新
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3 . 已知函数
,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e68ddb60863424ea14a6f5232bbe23b4.png)
A.![]() ![]() ![]() |
B.![]() ![]() ![]() |
C.![]() ![]() ![]() |
D.![]() ![]() ![]() |
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名校
4 . 将函数
图象上所有点的横坐标缩短为原来的
,再向右平移
个单位长度,得到函数
的图象,则
图象的一条对称轴是直线( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e436d2513cd6be6c6fdbdae3a9479a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-01-09更新
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8卷引用:河北省廊坊市第八高级中学2018届高三模拟试题理科数学试题
5 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e08548dac66ba40225d4b92fb4792320.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ad68440340be6876ec5bfcb3c4a1ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e08548dac66ba40225d4b92fb4792320.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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7卷引用:河北省廊坊市2022届高三模拟数学试题
河北省廊坊市2022届高三模拟数学试题山东省济宁市2017-2018学年度高三上学期期末考试 数学(理)试题(已下线)《高频考点解密》—解密08 三角恒等变换(已下线)解密07 三角恒等变换-备战2018年高考文科数学之高频考点解密人教A版(2019) 必修第一册 突围者 第五章 5.5课时2 两角和差的正弦、余弦、正切公式河北省邯郸市魏县2022-2023学年高三上学期期末考试数学试题2023年全国新高考高三押题卷(四)数学试题
名校
解题方法
6 . 已知角
的终边经过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4e6369d5e8b55e523513f350a5a2a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
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7 . 函数
在
上的图象为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b68d9161634d509f2363844ea013b5bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90bdf8c09718824cb6b4a66c95b3e34d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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8卷引用:【校级联考】河北省廊坊市省级示范性高中联合体2019届高三第一次联考数学(理)试题
8 . 在
中,已知点
为
边的中点,点
在线段
上,且
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d262c8758837463e024a20ca8d52c5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc92ccf79994219de3f34946234f199a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4卷引用:2016-2017学年河北省廊坊市高一上学期期末考试数学试卷
9 . 已知角
满足:
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8463bd165e1b8714f5dd7fb9cc90f8ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1492e02b8120b51e933c17d0cf860bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
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10 . 已知函数
,
.
(1)求函数
的最小正周期;
(2)令
,若函数
在区间
上的值域为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a13c3cdc17fcac9e2f689e5ad962581d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafce249be1aeee0581417db4ce841db.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c17b42f1c9c582a380c466ca4df1fc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b876a4b9cf212ae92a0e6e9a285a527.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
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