解题方法
1 . 已知角
的终边上有一点
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7d8cc13666ef5e288a3c98e2fc56aa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知函数
,若
的图象过
,
,
三点,其中点B为函数
图象的最高点(如图所示),将
图象上的每个点的纵坐标保持不变,横坐标变为原来的
倍,再向右平移
个单位长度,得到函数
的图象,则( )
![](https://img.xkw.com/dksih/QBM/2024/3/3/3445901087506432/3447702366134272/STEM/36c8accadcd842e6ae630eb483d5b540.png?resizew=165)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004ba0599ce2087571ae90f5aae7c04d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90c7f93ae305d67cf31b751e768ae48a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aebd45ae69e66464a53c3be20348735d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f2988360ef9a2f57142542e1b2fcc22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://img.xkw.com/dksih/QBM/2024/3/3/3445901087506432/3447702366134272/STEM/36c8accadcd842e6ae630eb483d5b540.png?resizew=165)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
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2024-03-18更新
|
658次组卷
|
4卷引用:江西省九师联盟2024届高三上学期1月质量检测试数学试题
江西省九师联盟2024届高三上学期1月质量检测试数学试题江西省宜春市上高二中2024届高三上学期期末数学试题(已下线)高考数学冲刺押题卷02(2024新题型)(已下线)1.6 函数y=Asin (ωx+φ)的性质与图象4种常见考法归类(2)-【帮课堂】(北师大版2019必修第二册)
3 . 下列结论正确的是( )
A.![]() ![]() |
B.在![]() ![]() ![]() |
C.函数![]() |
D.函数![]() ![]() |
您最近一年使用:0次
4 . 设复数
满足
,
,复数
所对应的点位于第一象限,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ace49286db01d4f2bb026efff1015b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/839ba7c0f1fc30151d18a2e337951dd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b5d0d05fc4a0f360d8f1dc7df6a206.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
5 . 如图,在平行六面体
中,
,
,
,
,点
为
中点.
平面
;
(2)求二面角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cead0e8eadfdcefa334953e88864f424.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b377f22aafd3742ad860f77abaacef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f7be9e552514a07e7f745666cb5b76b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b24a6fd9b4574e7808eafc57f8496.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22391e2f16997bb4b99041f8543b2ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62a52848aff08399a36f217356007a4b.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104bf24922707215be95a860cd533940.png)
您最近一年使用:0次
2024-03-12更新
|
2928次组卷
|
9卷引用:江西省宜春市丰城市第九中学2024届高三上学期期末考试数学试题
江西省宜春市丰城市第九中学2024届高三上学期期末考试数学试题辽宁省沈阳市五校联考2024届高三上学期期末数学试题(已下线)每日一题 第16题 不易建系 先证垂直(高三)(已下线)【一题多解】立体几何 新旧呼应湖南省长沙市雅礼中学2024届高三一模数学试卷江苏省常州市第一中学2024届高三下学期期初检测数学试题(已下线)专题04 立体几何辽宁省辽东十一所重点高中联合教研体2024届高三下学期高考适应性考试(一)数学试题(已下线)湖南省长沙市四县区2024届高三下学期3月调研考试数学试题变式题11-15
6 . 根据圆的性质我们知道,过圆
外的一点可以作圆
的两条切线,切点为
与
,我们把四边形
称为圆
的“切点四边形”.现已知圆
:
,圆外有一点
,则圆
的“切点四边形”的外接圆周长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/b5241e0e07a9cd48e4f853405dca1a03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 如图,在三棱锥
中,
是正三角形,
,
,
,
是
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/12/8edd1983-b614-41e3-aeaf-0f592ee9ee6a.png?resizew=171)
(1)证明:
;
(2)求平面
与平面
夹角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbfcae2cecc98e2d6c16dde6d3ec1c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209acf15985d1ea1ad86fc4a37e38c0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34430584ed3437b3a90e11e893cd30df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/12/8edd1983-b614-41e3-aeaf-0f592ee9ee6a.png?resizew=171)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4cd8ba7eb52e38857830162e770f534.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
您最近一年使用:0次
8 . 已知A为圆C:
上的动点,B为圆E:
上的动点,P为直线
上的动点,则
的最大值为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/474f0068e21da52c260ca46bf8149563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b309986ab9da2e049812c871769924f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d585d2d6643471640905d234d9538c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cb58cef2ef9fd70d37d138c5ec445ba.png)
您最近一年使用:0次
解题方法
9 . 已知函数
.
(1)当
时,证明:
;
(2)已知
,
,求证:函数
存在极小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d44d5e638a975bc93491659a141d8c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29cee707aaa2ee5798e38b9624dc396e.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c80cd7a435009b8713641e5ff655179a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cb319ba3ed05f5ad4c9f56b40e43e1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
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解题方法
10 . 若正实数
满足不等式
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2964b9f8eb74f2c1c4c48b4502cfaf5.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07dfc4eb56f069f67149c083b121c935.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2964b9f8eb74f2c1c4c48b4502cfaf5.png)
您最近一年使用:0次