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解题方法
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c552c72078ad2674d2cdbe4335e340b4.png)
(1)化简函数
,并求
;
(2)在以原点为圆心的单位圆中,已知角
终边与单位圆的交点为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c552c72078ad2674d2cdbe4335e340b4.png)
(1)化简函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a175f4edd840d1433e25bd39548e54.png)
(2)在以原点为圆心的单位圆中,已知角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb9d52b84406aa882309d97e45725908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2fa29f6809a3a54d16f3650acd15b5f.png)
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2022-02-28更新
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559次组卷
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2卷引用:黑龙江省齐齐哈尔市第八中学2021-2022学年高一下学期开学考试数学试题