解题方法
1 . 已知
是第二象限角,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e8214b6063c764ee1fb4ed5edb8f45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
2 . 已知
为第一象限角,
为第二象限角,且
,
,则
的值为____________ .
![](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/5e9eb14cda08256a38003a2f368a2f22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/717d7f48e2a1fb6687bd6ea84d249915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fee7e2969987222954a10a03d200c03.png)
您最近一年使用:0次
3 . 已知
,且
.
(1)求
和
的值;
(2)若
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcbe8b4bcd32e5a64ebfd873f8cbb2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba9f29ec502965caee21f333f6389e0d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3bba30868a815d7b85d4afa3ef80c49.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f07029c97c324d32f258f18a96654a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc3dd08f5ab225d25ac2907afdaff049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd927b4b5a7875528c1b54aa4bb8b2dd.png)
您最近一年使用:0次
解题方法
4 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c4a353b42ff971c631a6e782395f4ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/604be75720c5872eccf7777a52334db9.png)
A.![]() | B.0 | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-16更新
|
739次组卷
|
2卷引用:江苏省宿迁市泗阳县两校联考2023-2024学年高一下学期第二次学情调研(5月月考)数学试题
解题方法
5 . (1)已知
,且
是第二象限的角,求
;
(2)已知
满足
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320c4027d26d5ab85f9280dc951ea5be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cafacae675ecfac01e621f209dc32dd4.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0919929c63ec1c10f1d8ad6887fef1e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
您最近一年使用:0次
名校
6 . 已知
,且
是方程
的两根,下列选项中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e28a96ee1e62b7fbc1fb0257ad0deeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dab0e25cb7c556f914e6bc15727ae556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b54985e70110685d6cab4d9c264e818e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-04-24更新
|
269次组卷
|
2卷引用:江苏省泰州市民兴实验中学2023-2024学年高一下学期期中调研测试数学试题
解题方法
7 . 已知
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdfc9192f40e0cca280cd20261b5e1c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b7bb3b77f1d0ce1c2cea6de5889c69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7488726a4bef802686c0023caa3a6fff.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
8 . (1)已知
,且
是第二象限角,求
和
.
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf24ce696b370121c4fbc928e3694943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a215561d0017328105f6412f4e7cd89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
您最近一年使用:0次
名校
9 . 已知向量
,则下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b972398724909e2a3a5b250275eea2c8.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.![]() |
D.若![]() ![]() |
您最近一年使用:0次
2024-04-17更新
|
577次组卷
|
6卷引用:河南省郑州市中牟县第一高级中学2023-2024学年高一下学期3月月考数学试题
10 . 在平面直角坐标系
中,以x轴为始边作两个锐角
,
,它们的终边分别与单位圆交于A,B两点.已知A,B的横坐标分别为
,
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.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/dee14db57f0c762aad845cf5b4a243c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b96754743b4a2d1e7b55598af708344.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e673f7e66c2a252da4c77c70d90c8cec.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6802fa592c03ef7c4a8c03f3e8932f8f.png)
您最近一年使用:0次