在平面直角坐标系
中,
是坐标原点,角
的终边
与单位圆的交点坐标为
,射线
绕点
按逆时针方向旋转![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
弧度 后交单位圆于点
,点
的纵坐标
关于
的函数为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8111b51754b9b448995098efecee98f3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/19/990cce4f-18ef-4d17-9f48-2f50042218b7.png?resizew=160)
(1)求函数
的解析式,并求
的值;
(2)若
,
,求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcee250c0209bafc326a602ab44594da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8111b51754b9b448995098efecee98f3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/19/990cce4f-18ef-4d17-9f48-2f50042218b7.png?resizew=160)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8111b51754b9b448995098efecee98f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c06d731a73f83b039c47e431584e0be0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/124816aae8ca203490bd117d9cb6b3f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef001eeef468ca21ac0cbb23fd135657.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa1b02c94bf1c8407ff81a6598e02d5c.png)
22-23高三上·江苏扬州·期末 查看更多[2]
更新时间:2023-01-16 17:59:54
|
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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