名校
解题方法
1 . 在平面直角坐标系
中,以
轴为始边作两个锐角
,
,它们的终边分别与单位圆相交于
,
两点,
,
的纵坐标分别为
,
. 则
的终边与单位圆交点的纵坐标为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.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/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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac97e6740365c85ad857aff85cefbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
您最近一年使用:0次
2022-01-17更新
|
405次组卷
|
6卷引用:江苏省南京市第五高级中学2022-2023学年高一上学期期末学情自测数学试题
2021高二·江苏·专题练习
名校
2 . 已知圆O:
,直线l:
,l和圆O交于E,F两点,以Ox为始边,逆时针旋转到OE,OF为终边的最小正角分别为
和
,给出如下3个命题:
①当k为常数,b为变数时,
是定值;
②当k为变数,b为变数时,
是定值;
③当k和b都是变数时,
是定值.
其中正确命题的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f766a9c61e8c4346ebc3be82f7d59c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d501afbd7542f2f724b658edf39af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
①当k为常数,b为变数时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569087ece1739f75121b549c7de10058.png)
②当k为变数,b为变数时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569087ece1739f75121b549c7de10058.png)
③当k和b都是变数时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569087ece1739f75121b549c7de10058.png)
其中正确命题的个数是( )
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
3 . 在平面直角坐标系xoy中,角α的顶点在原点,始边在x轴的正半轴上.
(1)若
,且α的终边与单位圆的交点的横坐标为
,求tanα的值;
(2)若tanα=2,求
的值.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f102439ebd1efd422f04209ecec2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd92f594c348f7a956607f7b381cc22a.png)
(2)若tanα=2,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a39ee003ce154b19561409afdddb7c.png)
您最近一年使用:0次
2021-12-22更新
|
674次组卷
|
2卷引用:江苏省南京市六校2021-2022学年高一上学期12月联考数学试题
4 . 已知函数
有且只有一个零点,则实数A的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8a33e962e2ee21ee502afb9c356bd7.png)
A.4 | B.2 | C.-2 | D.-4 |
您最近一年使用:0次
2021-12-13更新
|
1167次组卷
|
6卷引用:江苏省南京市田家炳高级中学2021-2022学年高三上学期期中数学试题
江苏省南京市田家炳高级中学2021-2022学年高三上学期期中数学试题江苏省无锡市2021-2022学年高三上学期期中数学试题(已下线)解密02 函数的应用(分层练习)-【高频考点解密】2022年高考数学二轮复习讲义+分层训练(新高考专用)(已下线)重难点06 函数与导数-2022年高考数学【热点·重点·难点】专练(新高考专用)(已下线)专题02 三角函数与解三角形(突破训练)-备战2022年高考数学二轮复习重难考点专项突破训练(全国通用)(已下线)专题08 导数与函数综合压轴(选填题)-1
名校
解题方法
5 . 已知角
的终边上有一点
,其中
,则
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc7aaf68ffd6306ffe074f4683760b18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce69ab14d07df0524ed5af94d6479b6.png)
您最近一年使用:0次
名校
解题方法
6 . 已知角
终边上有一点
,且
.
(1)求m的值,并求
与
的值.
(2)化简并求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554516a5ae7303967f3dd21ee0bd6e36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7f523d5cc61d3b587e388bc89f0ad9.png)
(1)求m的值,并求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)化简并求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c41a4f9d50024bf27d4b42c7bb295a.png)
您最近一年使用:0次
7 . 已知角
的顶点与原点
重合,始边与
轴的非负半轴重合,它的终边在射线
上.
(1)求
的值;
(2)化简并求值:
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41ed625c38c016a8dca648528daf28b6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b1e46a939db43117686ce490ef3092.png)
(2)化简并求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bd3a0165efbe2e0c4d4cf498076f01b.png)
您最近一年使用:0次
名校
解题方法
8 . 如图,过圆
外一点
作圆的切线
,
,切点分别为A,B,现将
沿
折起到
,使点P在圆
所在平面上的射影为圆心
,若三棱锥
的体积是圆锥
体积的
.则
( )
![](https://img.xkw.com/dksih/QBM/2021/6/25/2750565087543296/2763112209793024/STEM/000dbd41-4e7a-445e-a82f-f639c284fbd8.png?resizew=388)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee6765a83140d745a6de4c85d9b6b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca15691dfea154b932004966f2fbca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad895b1c422b40c35be89c8bef22e834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ef328d61bcf3cece520c35a2ce449ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6ca9177aeec1b81a284502cc7491636.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef49a3ca580a144cc65a609c167facc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63c34ce5d053f39dc18a5d6b0d3685d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63cd54d2010c21f8219c6f43d97f4e40.png)
![](https://img.xkw.com/dksih/QBM/2021/6/25/2750565087543296/2763112209793024/STEM/000dbd41-4e7a-445e-a82f-f639c284fbd8.png?resizew=388)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
您最近一年使用:0次
9 . 已知角
的顶点与原点
重合,始边与
轴的非负半轴重合,它的终边过点
.
(1)求
的值;
(2)求
的值.
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c111a7b669770a2cc28e403ade76169.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850dba25bf0f5f13541bf9b6ec12b84d.png)
您最近一年使用:0次
名校
解题方法
10 . 已知角
的终边在直线
上,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45cc81cfaccc00aa4b7139de5a35a102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb0b67161aa38977fc66ee8676149f10.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-03-25更新
|
1189次组卷
|
3卷引用:江苏省南京市第一中学2020-2021学年高一下学期5月阶段性检测数学试题
江苏省南京市第一中学2020-2021学年高一下学期5月阶段性检测数学试题内蒙古呼和浩特市2021届高考第一次质量普查调研考试(一模)理科数学试题(已下线)押第4题 三角变换-备战2021年高考数学(文)临考题号押题(全国卷1)