名校
1 . 在
中,斜边为
,点
在边
上,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d066aa5a82caa8f0ee3bc6a2ba5a1f8.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42798067d911f96e5784cb138319c907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12401527d00747ad1b22a387aa17d80c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a668e695ee48523c9f5b71c69c8c1430.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d066aa5a82caa8f0ee3bc6a2ba5a1f8.png)
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解题方法
2 . 已知
为锐角,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c4bb68bc1395f4cbcb5889aa39e1b7c.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/062a02d27a7e8d080993f665057ac70a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c4bb68bc1395f4cbcb5889aa39e1b7c.png)
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2022-12-21更新
|
1060次组卷
|
2卷引用:上海市浦东新区2023届高三上学期一模数学试题
名校
解题方法
3 . 已知直线
经过点
,倾斜角
的正弦值为
,则
的点斜式方程为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530e5817131adf2c05b99ff18eb9060f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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解题方法
4 .
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b9aceea086efe900c1faebf33ae5ac.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46ddcda9f89051f4e862364f02e13d9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/468322cef1887fec96c304371e580bc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a6a613f8b0e32fb71902f50f30ca4d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b9aceea086efe900c1faebf33ae5ac.png)
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2022-11-27更新
|
286次组卷
|
3卷引用:第09讲 平面向量加、减、数乘运算的坐标表示
(已下线)第09讲 平面向量加、减、数乘运算的坐标表示北京市首都师范大学附属中学(通州校区)2022-2023学年高一下学期开学质量检测数学试题北京市顺义牛栏山第一中学2023届高三上学期11月期中数学试题
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解题方法
5 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/487e4d9d4fd025b4b467a34b20e56a20.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51474d91e540a475138571e8738de850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/487e4d9d4fd025b4b467a34b20e56a20.png)
您最近一年使用:0次
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解题方法
6 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ec7c99202b44d5d65239f65f155b6f.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f63dc02238b087ff47e9aa5bf6759d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ecab26dbaa31e244d69b6a01cabb83a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ec7c99202b44d5d65239f65f155b6f.png)
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2022-11-11更新
|
653次组卷
|
3卷引用:7.2.2 同角三角函数关系(2)
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解题方法
7 . 在锐角
中,角
,
,
所对应的边分别为
,
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afde09d82ae96f00c135732baee64776.png)
_________ ;若
,则
的最小值_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d5adc07b2c7b36ce69d29e97716a1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afde09d82ae96f00c135732baee64776.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48b3d2a804be28dbbb539d4fc3b18565.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1057d94a6237af413532ab54ab6da89c.png)
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8 . 已知
, 则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6334bad347ccae0610ba545228b274e2.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c35b69a3db7baeb4f6e03f15b6268399.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6334bad347ccae0610ba545228b274e2.png)
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2022-10-17更新
|
706次组卷
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4卷引用:河北峰峰第一中学2022-2023学年高一上学期期末数学试题
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解题方法
9 . 若
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/575b5fc17141a4e212a7ab898fe34626.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6eec7d75a66a4407631f75320bb8b15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e6b54f40b0115a03e765a811d1dff2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/575b5fc17141a4e212a7ab898fe34626.png)
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2022-10-16更新
|
1519次组卷
|
5卷引用:辽宁省鞍山市第一中学2023届高三上学期二模考试数学试题
名校
10 . 已知角
的终边经过点
,将角
的终边绕原点
顺时针旋转
得到角
的终边,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5262656b3496f13c2dd370da1d863e.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad42625f296d2a4b65180e2f7b776beb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5262656b3496f13c2dd370da1d863e.png)
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2022-10-12更新
|
787次组卷
|
3卷引用:第11讲 任意角与弧度制、三角函数的概念、诱导公式(12大考点)(2)
(已下线)第11讲 任意角与弧度制、三角函数的概念、诱导公式(12大考点)(2)北京市八一学校2023届高三上学期10月月考数学试题北京市牛栏山第一中学2022-2023学年高一上学期10月月考数学试题