解题方法
1 . 已知
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff35f868ac0388a82af7dd7a97df0d03.png)
__ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10d37c4233d8cb918ad704303fa8190.png)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42974715861d341e181182c0ef44af91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc36f1850fb5308496d5a44dcb1bf41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff35f868ac0388a82af7dd7a97df0d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10d37c4233d8cb918ad704303fa8190.png)
您最近一年使用:0次
2020-07-25更新
|
396次组卷
|
6卷引用:浙江省嘉兴市2019-2020学年高一(下)期末数学试题
浙江省嘉兴市2019-2020学年高一(下)期末数学试题(已下线)【新东方】杭州新东方高中数学试卷342(已下线)专题5.4三角恒等变换(A卷基础篇)-2020-2021学年高一数学必修第一册同步单元AB卷(新教材人教A版,浙江专用)(已下线)5.5+三角恒等变换-2020-2021高中数学新教材配套提升训练(人教A版必修第一册)(已下线)专题5.4 三角恒等变换(讲)-2021年新高考数学一轮复习讲练测(已下线)专题5.4 三角恒等变换(讲)- 2022年高考数学一轮复习讲练测(新教材新高考)
解题方法
2 . 已知
,则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907a17d455f83919626ad8da07b64a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b98547a5a92fd392dd796008f1fe89.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-07-14更新
|
610次组卷
|
6卷引用:浙江省温州市新力量联盟2019-2020学年高一下学期期末联考数学试题
浙江省温州市新力量联盟2019-2020学年高一下学期期末联考数学试题(已下线)专题02 向量的数量积与三角恒等变换【知识梳理】-2020-2021学年高一数学下学期期末专项复习(新人教B版2019)(已下线)第10章 三角恒等变换(基础过关)-2020-2021学年高一数学单元测试定心卷(苏教版2019必修第二册)(已下线)专题10.2 二倍角的三角函数(基础练)-2020-2021学年高一数学十分钟同步课堂专练(苏教版2019必修第二册)(已下线)专题22 三角恒等变换-【高效预习】2021-2022学年高一数学上学期新课预学案(人教A版2019必修第一册)(已下线)10.2 二倍角的三角函数-2021-2022学年高一数学10分钟课前预习练(苏教版2019必修第二册)
2020高三·全国·专题练习
名校
解题方法
3 . 设
,
是平面内一组基底,若
,
,
,则以下不正确 的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b28baf17059c56ee9ad1ae4814acd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b04618e5b2db68f2de6ba68972c505c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15c60265e9807979899eaa27477e32b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75b5dc876d7dcd3c971b36d26668b1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b5bee4a18bce4a680890a60eafc7252.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
19-20高一·浙江·期末
解题方法
4 . 已知
是第三象限的角,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fec337bd62ea56f2e311b2e39be710.png)
________ ,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b9c0ecbe8aef128b5afd2efa4f9cfa3.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a7de5b70003502e40b95b3b7d3d933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fec337bd62ea56f2e311b2e39be710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b9c0ecbe8aef128b5afd2efa4f9cfa3.png)
您最近一年使用:0次
名校
5 . 已知向量
.
(1)若存在实数x使得
与
垂直,求实数k的取值范围;
(2)若
且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e00f209dcaae6a831854bc18829809a9.png)
(1)若存在实数x使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9cd8bbf47b69bbd7a6263b041290d11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bca35e52b8430246a1cf96e9e617cce.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c4bd06e6726a7599c2825482a047d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281805b9dfe2162215dfe6b5ad6d7b03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
您最近一年使用:0次
名校
解题方法
6 . 若角
终边上一点的坐标为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26b0e6937176ddd598c8482c8ee292b3.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f114df5ceabdb7e5fd3fdad4eaf056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26b0e6937176ddd598c8482c8ee292b3.png)
您最近一年使用:0次
19-20高一·浙江·期末
7 . 下列判断正确的有___________ .
①如果
是第一象限角,那么恒有
;
②
,则
;
③若
的定义域为
,周期为4,且满足
,则
在
至少有7个零点;
④若
,且
,则
.
①如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/179f4b6261dab1a6a4fbdfaa7c418655.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a87b4686e96eb5492a135b0caec9480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc60e40025d8eb82080987f48b41569.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69d88a41a8c39757a1bbcc8ae9052c67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc88ba01f958eb3b85b451b731cbebd5.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/116e70b7caa41578d018bafd7515661d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d7bce36167945539d3cbba04d29e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a5abe56c019ac914e1fcde1865a747.png)
您最近一年使用:0次
解题方法
8 . 已知
,
是第二象限角,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92110ee8664c15f3b9429cfc2e1b3028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
9 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9fbf538ae87b660c3a3424729b55d61.png)
(1)化简:
;
(2)计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9fbf538ae87b660c3a3424729b55d61.png)
(1)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/093546d75be97df9516f3b42c0fbb732.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a08a1ffade82fb4a26656af64da60ca5.png)
您最近一年使用:0次
2020-02-14更新
|
496次组卷
|
3卷引用:浙江省金华市义乌市2019-2020学年高一上学期期末数学试题
解题方法
10 . 已知
,
.
(1)求
的值;
(2)设角
的终边与单位圆的交点为
,
,求
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87e70e388af6a9fb1cb4ca416c608d5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f102439ebd1efd422f04209ecec2bf.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
(2)设角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a22bc68f475f463619531a87d45f4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ab10594b7dadac5b712b031bf3f4e0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db796b223b35e52aa7b4114da8072f5.png)
您最近一年使用:0次