已知sin2(α+
)+cos2(α﹣
)=
,若α∈(0,π),则α=_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
更新时间:2020-02-14 20:48:33
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适中
(0.65)
解题方法
【推荐1】已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e976891142f43f8b63cbadf4a040fe.png)
_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07a4669aa276f01abda2efaa593ab11e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e976891142f43f8b63cbadf4a040fe.png)
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填空题-单空题
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名校
【推荐2】已知α为锐角,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/082a2414aead518bb44367b1225b5b22.png)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9cd45682f6d77b2bed98e523477017.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/082a2414aead518bb44367b1225b5b22.png)
您最近一年使用:0次