名校
解题方法
1 . 若
是第三象限角,且
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0085fd74dc3c3452d28dd85a801871e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
A.![]() | B.![]() | C.![]() | D.5 |
您最近一年使用:0次
解题方法
2 . 已知
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07c492e9b39664d67af54767bc0a540a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d63c534f2dbe6d6aff830c34c9e45a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5262656b3496f13c2dd370da1d863e.png)
A.![]() | B.![]() | C.1 | D.3 |
您最近一年使用:0次
名校
解题方法
3 . 若
,
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ab1c6f03cd0cb486ffb3557162063bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3744ee15af01a8e7c0f126edb5f68132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
4 . 已知
,且
则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a837149d753a3457daeb1eef3a90f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a28dab8568abc2db6b1e623d9ce29c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023·江苏淮安·模拟预测
5 . 在平面直角坐标系
中,直线
通过原点,
是
的一个法向量,则直线
倾斜角的余弦值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cfa8a381febbe8ed89ca20bacbb065f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 已知角
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de8f050c5de45537eb1c3f7606b5bef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84c0ab5cdc54961db545b7b18702cad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c0b2d7a5516dce6ea330ce09d7d80d5.png)
A.![]() | B.![]() ![]() | C.![]() | D.![]() ![]() |
您最近一年使用:0次
2023-09-05更新
|
558次组卷
|
3卷引用:江苏省镇江市丹阳市2023-2024学年高二上学期期初质量检测数学试题
名校
7 . 已知
,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/137739372880c55fcfd61efeeaba4eab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a7655b04f803d82351c8b8c641cc501.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abb3919d3025f2ac71c46f181218429.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
8 . 已知
,若
.则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc30bf23b7e02fdb099dc9b0f587446f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65b9dccec7ce2f5ed89f4a07b88a8261.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06d7258de3ea69c206cd1425a8caf1b6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
9 . 已知
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79c9ca80f59346ca89df7bc558a481d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca8f77412df80e314ee1e5efd6a4b52f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
A.![]() | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
2023-08-31更新
|
832次组卷
|
3卷引用:福建省泉州市2024届高三高中毕业班质量监测(一)数学试题
名校
10 . 已知
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75d28eab3b97cbeff2ff5527a0603ed1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0d2b1d4f9ad53fbda45e14d2d12ca5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-08-31更新
|
974次组卷
|
5卷引用:四川省成都市四七九名校高2023届全真模拟考试(二)理科数学试题