名校
1 . 已知
,
,
,
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65b6c42393fae47c51101713167ff71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a5836e98ad2e1f12459849b856e7341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fa8063fb6f7ae19a2d79813590e4b0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/256b941c36c2105926c18ece3b7e0d13.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b18576e4c3193432b246d2daefc8103.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
您最近一年使用:0次
2021-07-10更新
|
61次组卷
|
3卷引用:陕西省榆林市府谷中学、绥德中学2021-2022学年高一下学期第二次月考数学试题
名校
2 . 如图,以Ox为始边作角
与
(
) ,它们终边分别单位圆相交于点
、
,已知点
的坐标为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/f85aca56-2eee-41b8-b6bc-5835e7d606f7.png?resizew=153)
(1)若
,求角
的值;
(2)若
·
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfa948cb66784cd5839721537ae85542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802c85f4035559f800af53938aba532e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/f85aca56-2eee-41b8-b6bc-5835e7d606f7.png?resizew=153)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/513af47ab640481f8b6b80a9612ff535.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82973c2b6d1c407318545f1c0f32ec2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d76c951cafae7702febe04473b749cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258f7dd295360a0fa22a811dcffa3ac1.png)
您最近一年使用:0次
2019-06-05更新
|
543次组卷
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5卷引用:陕西省榆林市第一中学2021-2022学年高一下学期期中理科数学试题