名校
解题方法
1 . 已知
都是锐角,
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c48daf7ee6a75d263cd212324b014f9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74876891d38a5a79fe895cd216c9b9ac.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
2 . 已知
是锐角,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200daf028f09c3c7af4fb35fc97090e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50c98694986a24b18bf1d042e0caeffa.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c120d95d49ca67fc2a3eec52789244bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ffffc6a41596faebb76f0f6d2af6330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/245cfc93d3da73f5cf8fe810725554fc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
4 .
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30f5039602743b1ac3d5074af1d06b5d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-06-07更新
|
420次组卷
|
4卷引用:4.2 两角和与差的三角函数公式-同步精品课堂(北师大版2019必修第二册)
(已下线)4.2 两角和与差的三角函数公式-同步精品课堂(北师大版2019必修第二册)(已下线)专题03 恒等变形拆角归类(2) -期末考点大串讲(苏教版(2019))2024届普通高等学校招生全国统一考试青桐鸣数学冲刺卷一河南省焦作市博爱县第一中学2024届高三下学期5月月考数学试题
2024高一下·上海·专题练习
5 . 在平面直角坐标系
中,已知锐角
的终边与单位圆交点的纵坐标为
,锐角
的终边与单位圆交点的横坐标为
.
(1)求
和
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/dee14db57f0c762aad845cf5b4a243c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a69d166677557cadb3da32b4a7e152e3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fe57d4fbae536de2e641d9d349fcf1.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
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2024高一下·上海·专题练习
解题方法
6 . (1)证明:
;
(2)化简:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711a0b572919121037d12cbd89db23a2.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6551e349ab9cdaceeddd10df7d02b45.png)
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名校
7 . 已知
的最大值为3,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b3afddf0af09c9dfc48aa2c87c20556.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/345669a1b6a90a2169b26e80b74ffcfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b3afddf0af09c9dfc48aa2c87c20556.png)
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解题方法
8 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b5e4b36b4bacc7c887f9c32557a323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04dfb3821084fdcfe8c2efd3ea960cd4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
9 . 若
,且
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcb582ad00e8e32a00019cc52bdde5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/326be37f25646129b655e47d45820ad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8d028e67fd5f9497719bcff1fd7c616.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/994d6e7f47b3b98aa848c05d0af8f65e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
10 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04299442116ccee57ae2e5411c9fcdac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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