解题方法
1 . 计算
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d6b6146cabedabc9862e4e19cd19b4f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 .
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dab3fdf447d0736883fd4e74acd7f3e.png)
A.![]() | B.1 | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
3 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98070d8ebddca2ff730d7444e18a79c2.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/899098f4ae1bf3e3697526ee4c508ded.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/875dc66b71841e1e36c774ae9d47fdb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98070d8ebddca2ff730d7444e18a79c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/899098f4ae1bf3e3697526ee4c508ded.png)
您最近一年使用:0次
4 .
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee12085722c57f901d36be283bd0908.png)
A.![]() | B.![]() | C.3 | D.![]() |
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解题方法
5 . 若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d398d233e4e31d1a91a56d1e0434f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46902ee9fbd30111d7831f1fc7b79641.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
6 . 已知
,
是第二象限角.
(1)求
和
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9bc052a11cf1a01445992672dde2836.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)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f5b6bda1df4487146778acc9ab02264.png)
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解题方法
7 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c7e086c3ab30df4d79870ae9a3cce5.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3442de0573a140970cbaffc82e1122f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c7e086c3ab30df4d79870ae9a3cce5.png)
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解题方法
8 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0b21fe9afffa5e17e101ce87a9376c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46902ee9fbd30111d7831f1fc7b79641.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
9 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/322eccf22cb768d778b515bd208b8c08.png)
_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/322eccf22cb768d778b515bd208b8c08.png)
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解题方法
10 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25b098716ff0dc0394ce578e61d01a14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5acb85cce3c0e8690fb31a0fd8b53a5.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
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