11-12高一上·黑龙江绥化·期末
解题方法
1 . 已知
则
的值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2331c755ff3034217ea3d9f45b25f62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232d2bed4709dbb21aca4b6f013aa7de.png)
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12-13高一上·云南昆明·期末
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2 . 若
是第四象限角,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1615dd4f2f844053c39f552fe03e8621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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