1 .
弧度的角是指___________ ;建立了度量角的弧度制后,弧度与角度的换算关系为:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/102d3558d22fece073de46a156db2ac1.png)
rad,这是因为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/227368a266ba5a2865a1b7c75e230751.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/102d3558d22fece073de46a156db2ac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9fdc1f8ed0ae44b54a9a2a3aca2db4.png)
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解题方法
2 . 下列各式的值不等于1的一个是( )
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
2021-08-24更新
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541次组卷
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2卷引用:北京市延庆区2020-2021学年高一下学期期中考试数学试题
名校
3 . 已知
.
(1)求
的零点;
(2)求
的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22ddff83172e479d1fbbde437b057f44.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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2021-08-24更新
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1675次组卷
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2卷引用:北京市延庆区2020-2021学年高一下学期期中考试数学试题
名校
4 . 下列函数是奇函数且在区间
上是增函数的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00f180718c0b7b3de58a11c9b8b70621.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-08-24更新
|
549次组卷
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3卷引用:北京市延庆区2020-2021学年高一下学期期中考试数学试题
北京市延庆区2020-2021学年高一下学期期中考试数学试题北京市延庆区第一中学2023-2024学年高一下学期3月月考数学试卷(已下线)专题5.5 正切函数的图象与性质-《聚能闯关》2021-2022学年高一数学提优闯关训练(人教A版2019必修第一册)
解题方法
5 . 在中,给出如下命题:
① 若
,则
是锐角三角形
② 若
,则
是等腰三角形
③ 若
,则
是等腰直角三角形
④ 若
,则
是等腰或直角三角形
其中,所有正确命题的序号是 ( )
① 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/336bbf462ae13b146976ef65a58a5969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
② 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2157a5925c9590bbce5e3fc093f7767.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
③ 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e02e6946143207c276f7430942c1b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
④ 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74e7c262f7a16e9de91ad6d548870312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
其中,所有正确命题的序号是 ( )
A.①② | B.②③ | C.②④ | D.③④ |
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6 . 在
中,
,那么的面积等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a61709ecedc533b539d61888c729027.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 在
中,
,
,
,那么
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb5bac75f36bb1dc5c8190d4dbe681d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32436704a722d5e568ff5c175bf3c662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-08-18更新
|
632次组卷
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2卷引用:北京市延庆区2020-2021学年高一下学期期末考试数学试题
8 . 在
中,角A,
,
所对的边分别为
,
,
.若
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b104867a12d24a353d94858c2fa17c8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a730ba17ed45c839b871f46dd8cc01c.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() |
您最近一年使用:0次
9 . 若
在
是增函数,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc59d0e45d81023efcb55281d45081f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/604a187300e47ef2d6b772d1ac5cf4a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 在
中,
,
,
,
是钝角.
(Ⅰ)求
;
(Ⅱ)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac2ae98eb223b4fe33e53e9d3ba4cc40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aff008bf9d674fee28e3b4514d0b1c83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a4d496bea80757ce78844f351fd5dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(Ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次