解题方法
1 . 已知第二象限的角
,并且
.
(1)化简式子
并求值;
(2)计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9bc052a11cf1a01445992672dde2836.png)
(1)化简式子
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0740adfa5a48bd32fd46fbb2d37fb329.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbdbf1afe514ee8e968dc256ec43dd7f.png)
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2023-08-10更新
|
397次组卷
|
2卷引用:贵州省遵义市正安县某校2022-2023学年高二下学期第一次月考数学试题
名校
解题方法
2 . 化简求值.
(1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/831e330244182724017cd0ba5919a524.png)
(2)化简:
(1)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/831e330244182724017cd0ba5919a524.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e15dc622fe1ff7e74e5696bca8e6fc1.png)
您最近一年使用:0次
2023-03-26更新
|
701次组卷
|
3卷引用:北京市首都师范大学附属中学2022-2023学年高一下学期3月月考数学试题
北京市首都师范大学附属中学2022-2023学年高一下学期3月月考数学试题(已下线)专题18 三角函数化简问题(期末大题7)-题型秒杀技巧及专项练习(人教A版2019必修第一册)内蒙古自治区通辽市科尔沁左翼中旗实验高级中学2023-2024学年高一上学期期末数学试题
解题方法
3 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48ccb49239ecc5eb9062fd85aeddcce9.png)
(1)求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b61e22083e790774ff7edec135a2a42.png)
(2)化简并求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48ccb49239ecc5eb9062fd85aeddcce9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b61e22083e790774ff7edec135a2a42.png)
(2)化简并求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6f323b5287e5310a9e3e6a6f2a5cc7.png)
您最近一年使用:0次
名校
4 . (1)求值:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd3d9a8d7f385e247203b49083a9f39.png)
(2)化简:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faa017205b92bff8bbb759fbbc4ac1d6.png)
(3)已知
,若
,求
的值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd3d9a8d7f385e247203b49083a9f39.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faa017205b92bff8bbb759fbbc4ac1d6.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ffd1f6bd3686a07efa4086a02b96a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f55bb665d59f4cac8416593f4fe50bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c57a103c95e6c7cd2b9cf0eba85c948.png)
您最近一年使用:0次
名校
解题方法
5 . (1)已知角
终边上一点
,求
的值;
(2)化简求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a0cc78c3e209937bd33da16b04044a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3d101b6b75e12b73157bdd9408c50d7.png)
(2)化简求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e703ba0058d0225a5f9d3ec2b48744.png)
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2023-12-18更新
|
1386次组卷
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5卷引用:江苏省扬州市扬州中学2024届新高考一卷数学模拟测试一
名校
解题方法
6 . 在平面直角坐标系
中,角
的始边为
轴的非负半轴,终边经过点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2eb4369b1a7fcf28e56f5703ae9966.png)
(1)求
的值和
;
(2)化简求值
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2eb4369b1a7fcf28e56f5703ae9966.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)化简求值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f224e2e7ac85f4ae55c4fd0a9fb6123.png)
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2024-01-21更新
|
886次组卷
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3卷引用:江苏省扬州市广陵区红桥高级中学2023-2024学年高一上学期12月月考数学试卷
名校
解题方法
7 . 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
名校
解题方法
8 . 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
|
605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
9 . 已知点
(其中
)在角
的终边上,
,且
是第 象限角.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,并据此解答以下问题:
(1)求
、
、
的值;
(2)在(1)的条件下化简并求值:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825ebbeddb398e8556585cddae41eea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baedc4d7e690ab3f7d80d30ba0a9efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae790e576c5d16c03551220bfeda41c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)在(1)的条件下化简并求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/343b98c70ab11b8c84c016511c64e6c1.png)
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10 . 已知
,且α是第________象限角.
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:
.
注:若选择多个条件分别解答,则按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7fdccadfa7469825f8a5ccbf495c24.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/e6f90c4754e6b6fc862d72943fb35569.png)
(2)化简求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05a61e718de14108e2346f3f63c09c76.png)
注:若选择多个条件分别解答,则按第一个解答计分.
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