如图,直角
中,
,以O为圆心OB为半径作圆弧交OP于A点,若圆弧AB等分
的面积,
弧度,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5dd6306e00de2ae82d6605308792db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943095c49e6cde8a2f100da929cf9a72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5dd6306e00de2ae82d6605308792db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eec6ce73c6786d50028addff089bbb64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c80d174c6b65fab10f796989c11e853.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/16/ad34345e-9900-4853-b646-5d5fb688ffbd.png?resizew=93)
21-22高一上·全国·课后作业 查看更多[3]
更新时间:2023-07-12 18:44:36
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【推荐1】已知一扇形的面积
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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【推荐2】已知角
的终边上一点
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(1)求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f74d0f154c49c00204a2e379dcdf1e01.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d181b9371c5543bdb1df2b0d6eefb7fe.png)
(2)若扇形的圆心角为钝角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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