名校
解题方法
1 . 已知
是第三象限角,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783abee4269b707dfc76dbafe6e5339c.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c0e38cbdc2b9ffd33d554864bbb7d87.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e68e86a31edd263444a53bb90cdceb8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783abee4269b707dfc76dbafe6e5339c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c0e38cbdc2b9ffd33d554864bbb7d87.png)
您最近一年使用:0次
名校
2 . 棣莫弗定理:若
为正整数,则
,其中
为虚数单位,已知复数
, 则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b890700d682af673c0dd9f143a27ba7.png)
____ ,
的实部为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f679d4c4b3686ee3602923cda586377.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579743813856e2a9183f5ec6eaaefbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f9c0e62c8d20f29175d3a633726898c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b890700d682af673c0dd9f143a27ba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c5f55103d035451be62f54c0e12d05.png)
您最近一年使用:0次
名校
解题方法
3 . 在平面直角坐标系xOy中,角
与角
均以Ox为始边,它们的终边关于
轴对称,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f6834a22cc57e6dc022c74eae7dac76.png)
_____________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c634aa65493615fbb40f1352a88c5aa3.png)
_____________ .
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84effab46d6bfc6cb110963e027a6b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f6834a22cc57e6dc022c74eae7dac76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c634aa65493615fbb40f1352a88c5aa3.png)
您最近一年使用:0次
名校
解题方法
4 . 在
中,
,且
,则
的面积为__________ ;若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5e73987a2c6cdfccbe14a29d95e5db9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3578b63c5903089595bf324c809a997c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
您最近一年使用:0次
2024-02-25更新
|
1131次组卷
|
7卷引用:安徽省部分省示范高中2024届高三开学联考数学试卷
安徽省部分省示范高中2024届高三开学联考数学试卷(已下线)6.4.3 第2课时 正弦定理【第二练】“上好三节课,做好三套题“高中数学素养晋级之路(已下线)专题10 余弦定理 正弦定理-《重难点题型·高分突破》(苏教版2019必修第二册)(已下线)压轴小题2 正余弦定理在平面图形中的应用(已下线)专题08 余弦定理 正弦定理(1)-《重难点题型·高分突破》(人教A版2019必修第二册)(已下线)专题03 解三角形问题总结-《期末真题分类汇编》(江苏专用)(已下线)湖南省永州市部分学校2023-2024学年高一下学期6月质量检测卷数学试题
解题方法
5 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c926602d8f20e7fbbb8b03bbb01b7e6f.png)
___________ ;
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22b6e0579aa6df072050c82e3d27b2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c926602d8f20e7fbbb8b03bbb01b7e6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b55da58f94acdd8af12776547cccc5.png)
您最近一年使用:0次
名校
6 . 若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8807d7a6387cd566aa94f0e1732f4676.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5788b882934fa2de9a4cd1e395657ff6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98d2f9141930b2b0fddfc9953f584649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8807d7a6387cd566aa94f0e1732f4676.png)
您最近一年使用:0次
7 . 已知角
的终边上有一点
的坐标是
,其中
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ec7c99202b44d5d65239f65f155b6f.png)
________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4250f1ab51111c97dd10a3d5f744634.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce618b81d2be1083f6457cc6f284a53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baedc4d7e690ab3f7d80d30ba0a9efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ec7c99202b44d5d65239f65f155b6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4250f1ab51111c97dd10a3d5f744634.png)
您最近一年使用:0次
名校
8 . 将
转化为角度为__________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68ecd223b400d00d078cac07bea5dafc.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1e8ba99f57fad8878532d66c1181de8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68ecd223b400d00d078cac07bea5dafc.png)
您最近一年使用:0次
9 . 若角
的终边经过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34faf78ca3408bd59bbda43668dcb9c8.png)
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f8af4c62bbd835dbfe86d4cebdcd2ab.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97a9275848b5c91230c249a45f1bfc05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34faf78ca3408bd59bbda43668dcb9c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f8af4c62bbd835dbfe86d4cebdcd2ab.png)
您最近一年使用:0次
2023-09-28更新
|
361次组卷
|
3卷引用:河北省保定部分高中2024届高三上学期9月月考数学试题
解题方法
10 . (1)已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a1001278f600ba3b31901051563941.png)
__________ ;
(2)已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efb409c40d130910e94b96f40ca682d.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07f843734a415d78dc7bb99f25bc4fc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a1001278f600ba3b31901051563941.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f87ea6b0696e2b579fad456c9c7aabd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efb409c40d130910e94b96f40ca682d.png)
您最近一年使用:0次