已知
为第二象限角,
,则
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ebe6a6476bc99d568e2844d32fee8d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ceee9d45a68f88238eb0ef76d95a1a7.png)
22-23高三上·北京海淀·期末 查看更多[2]
更新时间:2023-01-03 20:23:57
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