名校
1 . 在
中,
(1)若
求
的值;
(2)若
判断
的形状;
(3)若
求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/117c56811d6c1ef04c6f760ca8ccafdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcc106a115a989ebad996993b0ee4609.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545aa6c0b02f3c0a62a6eba94216eb7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6064ab9ca5d601502d47307d813c858d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6402f1010e94be78552ed4c45548b1b8.png)
您最近一年使用:0次
名校
2 . 已知
.
,其中
.
为锐角,且
.
(1)求
的值;
(2)若
,求
及
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7e28d78ca0c5b32b45975f2670aed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f9b7a6bff423781c171a57f5413bff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ece218085a4c293d5be15f37ccc8c2f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbb006ea697b63a914eb487073f0abe1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9626e5b9db3f22a442f10fef71b76f83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eacde1c42151734fdc60f3001b590de.png)
您最近一年使用:0次
2019-09-17更新
|
750次组卷
|
3卷引用:上海市复旦中学2016-2017学年高一下学期第一次月考数学试题
上海市复旦中学2016-2017学年高一下学期第一次月考数学试题(已下线)第五章+三角函数(基础过关)-2020-2021学年高一数学单元测试定心卷(人教A版2019必修第一册)黑龙江省牡丹江市第一高级中学2020届高三上学期开学检测数学(理)试题
名校
3 . 已知向量
,
,且
.
(1)若
,求函数
关于
的解析式;
(2)求
的值域;
(3)设
的值域为
,且函数
在
上的最小值为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91875344b31e642056eff980b68dfcf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8da15da13e62842a13c83620e2509f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b0fd50ac74f1578fff87c2e18ffe80.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55ce11cd7b7f77572b05975f1281c0b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb7b7aa407f72b10987dd26ee940d18f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca523f43edb740e235ae550ae13680d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
4 . 已知
,
,α,β均为锐角,且|
-
|=
,
(1)求cos(α+β)的值.
(2)若
,求cosβ的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7e41454b904c58c3ce0dea4b2bc4daa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8ce4ec31f49864a4dd9b5437d84b2e.png)
![](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/e64e76a4c1e5934f51cdca2ffbc8313f.png)
(1)求cos(α+β)的值.
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba0ecfca721fb939cb42f4e76157c17c.png)
您最近一年使用:0次
名校
5 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def668f59cf18535cee81357811bf03a.png)
(1)求
的最小正周期和最值
(2)设
,且
求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def668f59cf18535cee81357811bf03a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ee907a10fccdbd110c801f7e64c7673.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8fe0eed8937ce3aa34acba66b2ff9c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d7fab0cc806a8251ec4a62047836868.png)
您最近一年使用:0次
2018-09-25更新
|
1219次组卷
|
5卷引用:四川省泸州市泸化中学2017-2018学年高一5月月考理科数学试题
名校
6 . 在
中,已知
,
(1)求角
;
(2)若
,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/896815e73375b8bb672424d8267d2be2.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95faa14eb62523f9c1c28ef389c6a2c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db1a535350fccbc74ab73b9defde9a1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e5d4f93699f8dcffb0e7840ca5597e.png)
您最近一年使用:0次
2018-04-23更新
|
505次组卷
|
4卷引用:山西大学附属中学2017-2018学年高一4月月考数学试题
解题方法
7 . 化简:
(1)
;
(2)
(
为第四象限角).
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/489a2f08640a2a3b4e220ed7e3e5c75f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0c40ad6ab7741c3d3c39bb2061b04b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
名校
8 . 已知函数f(x)=x2+4xsinα+
tanα(0<a<
)有且仅有一个零点
(Ⅰ)求sin2a的值;
(Ⅱ)若cos2β+2sin2β=
+sinβ, β∈
,求β-2α的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed7bb93c57bff534596781611d5ecfc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b899be3c4709ec661d84392b167230.png)
(Ⅰ)求sin2a的值;
(Ⅱ)若cos2β+2sin2β=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c0cae34f4aa6bb7b342d8b38a3a3921.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc299018cae8bc47faa38c156b355ec6.png)
您最近一年使用:0次
解题方法
9 . 已知向量
.
(1)求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10eaf711cee37c1d07b3211a41b7713e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d521f8d021b20757d7a68107fcef1d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ff472ee70ef2c8d22129285567deac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
您最近一年使用:0次
名校
10 . (1)化简:
,
,求cos
;
(2)已知
求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041adf40ea61297395ed3ebc57996176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e043c75c1ed47f6ca78ee2aee9dbb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be2729436d928e8932d213be0b9b722.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04296de64db891e9ce84664df604d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2bf3111210c45c81dadc1ba6d2383c.png)
您最近一年使用:0次