名校
解题方法
1 . 已知
、
、
、
、
为半径为
的圆上相异的
点(没有任何两点重合),这
个点两两相连可得到
条线段,则这
条线段长度平方和的最大值为_________ .
![](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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07ae0b4264da6a8812454ffd2f20d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07ae0b4264da6a8812454ffd2f20d94.png)
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名校
2 . 已知函数
.
(1)若
,
,求
得值;
(2)在
中,角
的对边分别为
且满足
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00f8e8baf14b4c29fd6f6b00eba7a1b1.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e90c42487e018ebf99fd84672e79974.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66db91bb3be9e2b6ad567774e3699758.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/516983449108347c9bbf5dd2a72ab3dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c0b2d8eca257d11f83121eb1662dbfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2b9f4a56eddb8729daedaa14205852.png)
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2020-08-09更新
|
343次组卷
|
6卷引用:2020届浙江省台州市温岭中学高三下学期3月模拟测试数学试题
2020届浙江省台州市温岭中学高三下学期3月模拟测试数学试题(已下线)考点13 两角和与差的正弦、余弦、正切-2021年高考数学三年真题与两年模拟考点分类解读(新高考地区专用)(已下线)专题07 解三角形-2021年浙江省高考数学命题规律大揭秘【学科网名师堂】(已下线)专题09 两角和与差的正弦、余弦、正切-2021年高考数学二轮优化提升专题训练(新高考地区专用)【学科网名师堂】(已下线)高中数学 高一下-6浙江省杭州学军中学西溪校区2021-2022学年高一下学期期中数学试题
名校
解题方法
3 . 已知函数
.
(1)求
的最小正周期;
(2)求
在
上的最大值,并求此时的
值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3e7be0b697e237c39cfbce4ce250c83.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2020-06-24更新
|
832次组卷
|
3卷引用:浙江省台州市书生中学2020届高三下学期高考模拟数学试题
名校
4 . 已知
三边长分别为
,
,
,
是平面
内任意一点,则
的最小值是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4056761b8f826eeb6ad8c9a151d3c9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50690dab38f4512eb72e18b7f86cf6f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bea948ad5de810de15e4af738de8c79.png)
您最近一年使用:0次
2020-06-24更新
|
434次组卷
|
5卷引用:浙江省台州市书生中学2020届高三下学期高考模拟数学试题
浙江省台州市书生中学2020届高三下学期高考模拟数学试题浙江省临海市、乐清市、新昌县2020届高三下学期选考模拟考试数学试题(已下线)第11练 平面向量的数量积-2021年高考数学一轮复习小题必刷(山东专用)浙江省2021届高三下学期4月高考模拟(6)数学试题福建省泉州科技中学2020-2021学年高一下学期期中考试数学试题
名校
解题方法
5 . 已知角α的终边过点(﹣1,2),则tanα=______ ,sin2α=_______ .
您最近一年使用:0次
2020-06-07更新
|
273次组卷
|
2卷引用:浙江省稽阳联谊学校2020届高三下学期5月联考数学试题
6 . 平面向量
,
,
,
满足
,
,
,
,则
( )
![](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/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/337ab4dc61186ca58bb0605cb6d02df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e163ee5d616dff1d982182243a98ff7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d1209bee09e893f143d8982b2dc9d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0196359b82ff67f700eac7c3cf267b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/965533351a5acf64f900d545c5f55a8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe10e8c5a50853b7f35339abe831c7c2.png)
A.![]() | B.14 | C.![]() | D.7 |
您最近一年使用:0次
名校
7 . 函数
,则下列结论中不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cdab9fcfb00eb87df76bb526892aff2.png)
A.曲线![]() | B.曲线![]() |
C.函数![]() ![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 记
,
,
为
的内角,
①若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/254984a90a5ac9d5ab4993ae2bc2dd6f.png)
____________ ;
②若
,
是方程
的两根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8942293c8934cfef48698893a11da80.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/15c0dbe3c080c4c4636c64803e5c1f76.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ef2bdc36e10fe83d1127e39fef6f48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/254984a90a5ac9d5ab4993ae2bc2dd6f.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1311f32edf13f8caee5edb03f24a7ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6402f1010e94be78552ed4c45548b1b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90f7e31477ceaa2e86558a6ac9ab5939.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8942293c8934cfef48698893a11da80.png)
您最近一年使用:0次
名校
9 . 已知函数
在
时取到最大值2.
(1)求函数
的解析式;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5e98dc10e1780046a89545b9fa8f21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24db7b603aebdee8e298d1fe49c848e1.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde5523878da68a6e56a83389053d65b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
您最近一年使用:0次
名校
解题方法
10 .
是边
的中点,
、
是线段
上两动点,且
.则
的最小值是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/8a0575b8-c3f1-410d-9fde-c82785c76479.png?resizew=121)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45dafcb4df8700a8567b5c4585c07d14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4901a7eda97d6a307db76c4fb196ba3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc49ddc2e7dddd18971476817983ac54.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/8a0575b8-c3f1-410d-9fde-c82785c76479.png?resizew=121)
A.![]() | B.![]() | C.1 | D.![]() |
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