名校
解题方法
1 . 化简求值:
(1)已知
,且
为第四象限的角,求
的值.
(2)已知
,
,求
的最小值.
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9088e31e00eaa4e95c1e6717b0c82cdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a9344f4fca7b9779ca7720e5277ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ecae5f8753141cf8d274afb20a1907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
您最近一年使用:0次
名校
解题方法
2 . 化简求值:
(1)已知
,且
为第四象限的角,求
的值.
(2)已知
,求
的值.
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9088e31e00eaa4e95c1e6717b0c82cdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef966cdd137b3b10e290201b4d17542e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8548af766a0d43c1c5a93d05028bc911.png)
您最近一年使用:0次
解题方法
3 . 已知且
的范围是________.从①
,②
,③
,④
,这四个选项中选择一个你认为恰当的选项填在上面的横线上,并根据你的选择,解答以下问题:
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)化简求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa0763edf8aa77e51936a5c6c30436e6.png)
您最近一年使用:0次
2024-01-21更新
|
294次组卷
|
2卷引用:北京市顺义区2023-2024学年高一上学期期末质量监测数学试卷
名校
解题方法
4 . 已知
,且
为第二象限角.
(1)求
,
的值;
(2)化简
,并求值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a9da049c686ff81df5d6645ef51e993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a27014901b91b1941a106e3f0bbca84e.png)
您最近一年使用:0次
解题方法
5 . 化简求值:
(1)
;
(2)已知
.求
的值.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d3e052fb31e6878fdaca94eb582b1ae.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536e072eb0439a5e5b430cd55a129374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0138dee7493ad6e624087924f813eb8.png)
您最近一年使用:0次
22-23高一下·北京大兴·期中
解题方法
6 . 已知
,且
是第__________限角.
从①一,②二,③三,④四,这四个选项中选择一个你认为恰当的选项填在上面的横线上,并根据你的选择,解答以下问题:
(1)求
,
的值;
(2)化简求值:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d33658e09092e727b0035825036fc8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
从①一,②二,③三,④四,这四个选项中选择一个你认为恰当的选项填在上面的横线上,并根据你的选择,解答以下问题:
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)化简求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c29497dda3b8965a0bb25d96dc596d1.png)
您最近一年使用:0次
名校
解题方法
7 . 已知
,且
是第二象限角.
(1)求
,
的值;
(2)化简求值:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969b106918cf44777d177a0538da8cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)化简求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d86ce38a2e3b55294cd9ca16651b82bd.png)
您最近一年使用:0次
2023-07-11更新
|
606次组卷
|
2卷引用:四川省内江市2022-2023学年高一下学期期末数学试题
名校
解题方法
8 . (1)化简求值:
;
(2)已知向量
,向量
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a51c603cb46a4d8de32be3e9965d8457.png)
(2)已知向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7549e79109c3a0bbc47f0da806467857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ffcc21ffa986fd2a5d15134490bd32a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1afa49dbaa99a0d7a7a6d18b3fe42091.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05020c805738490d494c47bf4380fe7a.png)
您最近一年使用:0次
2023-08-10更新
|
203次组卷
|
2卷引用:河南省新乡市红旗区新乡市第一中学2022-2023学年高一下学期3月月考数学试题
9 . (1)化简求值:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a81210d70b3cb91a2c45398cdb3648d8.png)
(2)已知
,求
的值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a81210d70b3cb91a2c45398cdb3648d8.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dc1aef5cdbc9c6411bc5a0470d33eef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5d7c25201607295d837fb9f780ee27.png)
您最近一年使用:0次
解题方法
10 . (1)求值:
;
(2)已知x是第三象限角,且
,
,先化简
,再求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c500852474a571386d3315a21b962b96.png)
(2)已知x是第三象限角,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e3937bc6ab4ad632bd834ed5fdc4b81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a9568fe96198bc0ff98ca66c0ca51b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次