解题方法
1 . 已知
,计算:
(1)
;
(2)
;
(3)若
是第三象限角,求
、
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a7de5b70003502e40b95b3b7d3d933.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd0d45f92a664de19019f5342147af21.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/617e59c1afb7dc761f5b373bc820ecff.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
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解题方法
2 . 已知:
且
(1)求
和
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c498b0c4f936710b179e445e88cdea0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28b2bbb75d9d7957e1d4e217d158047.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d469f6556c10a448446ef4ef59065bc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac44e12637ca9becbbcba1d4d6e1ceb.png)
您最近一年使用:0次
2017-12-22更新
|
1286次组卷
|
2卷引用:广东省佛山市第一中学2017-2018学年高一上学期第二次段考(12月)数学试题
13-14高一下·山东济南·阶段练习
名校
3 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55ee8adfeeeb20bf8a23f66abf7e5c83.png)
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55ee8adfeeeb20bf8a23f66abf7e5c83.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef870871b1f4fac95fac580398cae822.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5041f46d36713b7044d820be3988ca31.png)
您最近一年使用:0次
2016-12-02更新
|
2541次组卷
|
4卷引用:广东省广州市培正中学2018年高一第二学期数学必修(四)综合测试题二
广东省广州市培正中学2018年高一第二学期数学必修(四)综合测试题二(已下线)2013-2014学年山东济南商河弘德中学高一下学期第二次月考数学试卷福建省泉州市泉港区第一中学2019-2020学年高一上学期第二次月考数学试题山东省日照市五莲县2018-2019学年高一下学期期中数学试题
4 . (1)已知2x=5,log4
=y,求x+2y的值;
(2)若
=
,求3sin2
-sin
cos
-cos2
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66e69ad4b12f7f2b2c9da8107106eb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
5 . (1)已知角
终边上一点
,求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907f9a1fbead4e70b5a26e54c95da29c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab00bbf46abc536ba0bdb19d0ccc667.png)
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/135d867eac30e5a4cff409f70464a3fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907f9a1fbead4e70b5a26e54c95da29c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab00bbf46abc536ba0bdb19d0ccc667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a7de5b70003502e40b95b3b7d3d933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a39ee003ce154b19561409afdddb7c.png)
您最近一年使用:0次
名校
解题方法
6 . 已知
,计算:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4690a46dce144f1a1fe565e14df009.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86c029b19c9122eec40462dd2462869.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b058f77ff5582679e55b51200052d0d.png)
您最近一年使用:0次
解题方法
7 . 已知
,
.
(1)求
的值;
(2)求
的值;
(3)求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3210e3a441de8fa4b893e8084609bc86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c4266f962def23c1dc0bd66a502912.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f84a25527e54ee2614e3b5e99ef8a3d4.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8aaf830ba8ed8a772923d908ee966e.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c5a05a11f731194a845e68a0479ce4.png)
您最近一年使用:0次
8 . 已知
,求下列代数式的值.
(1)
;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/931c069ae9cd4d00cf7f6582eeb969b3.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89459ec37cc8a2a0b23fe67b5bfef0ea.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d57eda04fa225dc5537b88eef1fdb84.png)
您最近一年使用:0次