(1)证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/649c01ce4507460db86f29b063bc8d90.png)
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/649c01ce4507460db86f29b063bc8d90.png)
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eff6058a1c9782d6b72f260b83f596cf.png)
更新时间:2022-06-07 18:07:20
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(1)若角
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(2)若
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【推荐2】已知
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【推荐1】如图,某建筑物
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【推荐2】(1)已知
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(2)已知
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【推荐1】已知函数
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条件①:
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条件②:
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19ebfd0cc14c3fc01e74f2e7f2787e90.png)
条件①:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
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条件②:
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注:如果选择条件①和条件②分别解答,按第一个解答计分.
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(1)求函数
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(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9242175b4b4654543e5a1f6b47435c43.png)
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【推荐1】在
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(1)
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(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
条件①:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edf2ae4fd2006aea244da25dc7174cce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c674cc1d897fb842e621cf6e261c0c9d.png)
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较易
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【推荐2】已知函数
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(1)求函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d8f73c8fb4c8cbeac0df73b4da84dd.png)
(1)求函数
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(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9720087e589bf3d16877ddcf4712cb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次