解题方法
1 . 如图,以
轴的非负半轴为始边作角
,角
的终边与单位圆分别交于
两点,其中
.
![](https://img.xkw.com/dksih/QBM/2020/5/27/2471773935288320/2472291999408128/STEM/424bc8ac25f9498ebb38fad3354dda2f.png?resizew=148)
(1)求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37eebcc6499011d91f31923ea14cd4cf.png)
![](https://img.xkw.com/dksih/QBM/2020/5/27/2471773935288320/2472291999408128/STEM/424bc8ac25f9498ebb38fad3354dda2f.png?resizew=148)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af1a87dc1dd00b14977691eb94e80db5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac51bffb8f476896081027b33f7ec25d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b18576e4c3193432b246d2daefc8103.png)
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2 . 如图,已知A,B是单位圆圆O上的点,点A在第一象限,点B在第二象限,C为圆O与x轴正半轴的交点,
.
![](https://img.xkw.com/dksih/QBM/2020/5/27/2471781248147456/2471988372226048/STEM/087080d3b43847898ebb83742b678ec1.png?resizew=142)
(1)求点A的坐标;
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/514717ea8bb5beb77f2beb395d9d64d9.png)
![](https://img.xkw.com/dksih/QBM/2020/5/27/2471781248147456/2471988372226048/STEM/087080d3b43847898ebb83742b678ec1.png?resizew=142)
(1)求点A的坐标;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd33fd61545ef78df7bcde667baba30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c22a55176030c0156f94fe339888350d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d287e7f86a20acfbd1254b412352cdf.png)
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解题方法
3 . 已知角
的终边经过点
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d9696cecb8d70df75237fc31cec9e97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
A.![]() | B.![]() | C.![]() | D.-2 |
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解题方法
4 . 在平面直角坐标系中,角
的终边经过点
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae43a9e2f9976ced1f55c62d24c80bad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530e5817131adf2c05b99ff18eb9060f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-05-20更新
|
901次组卷
|
6卷引用:2020届石家庄市高三年级阶段性训练(文)试题
5 . 已知角θ的终边经过点(2,﹣3),将角θ的终边顺时针旋转
后,角θ的终边与单位圆交点的横坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b899be3c4709ec661d84392b167230.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
6 . 已知角
的终边上有一点
,则
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/195ab081a1f904666a9735fd26568be4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6123bb79a5e6d6de44a92dbdc541be5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-05-18更新
|
571次组卷
|
3卷引用:2020届辽宁省抚顺市高三二模考试数学(理)试题
7 . 在平面直角坐标系中,角
的始边为
轴的非负半轴,终边上有点
,则要得到函数
的图象,需将函数
的图象向左至少平移______ 个单位长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56c40412fb195679ac1b7913bc4fb02b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a11a6e2a24fff9b66c419cd39075d4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b348fba7af6e2db5b0153a32677f9c76.png)
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解题方法
8 . 已知角
的终边在直线
上,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73ac1756e6cc3266bd7198a024f871af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8090d9c3caddacd4580546c17cff2b80.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-05-18更新
|
250次组卷
|
2卷引用:2020届湖南省郴州市高三下学期第二次质检文科数学试题
解题方法
9 . 已知角
的顶点与原点O重合,始边与x轴的非负半轴重合,它的终边过点
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f219e145bb4c8409e11f0333f708ebe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6442d593f2c50197659f3bf0ecb220b2.png)
A.![]() | B.![]() | C.![]() | D.7 |
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名校
解题方法
10 . 在平面直角坐标系中,若角
的始边是
轴非负半轴,终边经过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44abbfce6569e88b2e89249b063088d3.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6a61d2a18b46e27287d4e530a9f06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44abbfce6569e88b2e89249b063088d3.png)
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2020-05-09更新
|
418次组卷
|
7卷引用:2020届安徽省皖南八校高三第三次联考数学(理)试题