名校
解题方法
1 . (1)若
,求
的值;
(2)计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aff8e8f399db20c51e878b2b4b134793.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e42ffa0dc0d8404bc883969adf0de06.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d0e14e776f58a86709bcb430db35877.png)
您最近一年使用:0次
2022-03-01更新
|
325次组卷
|
2卷引用:江苏省南通市2021-2022学年高一上学期期末数学试题
名校
解题方法
2 . 《周髀算经》中给出的弦图是由四个全等的直角三角形和中间一个小正方形拼成的一个大正方形,若如图所示的角
,且小正方形与大正方形的面积之比为
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447bdb83bb93996f9acb0c2abc4b6b10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa9c934d84feba963335cc7edf01610e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
![](https://img.xkw.com/dksih/QBM/2022/1/24/2902989849296896/2920355469950976/STEM/b041f01b-6d48-4768-80c4-d95305367b4d.png?resizew=144)
您最近一年使用:0次
2022-02-20更新
|
1036次组卷
|
6卷引用:江苏省无锡市天一中学2021-2022学年高一强化班上学期期末数学试题
解题方法
3 . 已知
,
.
(1)求
,
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f891fe878dba47d7bbad80bae51b11e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe556dc217cde50ee959c2ed98bbf742.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7d5ef3a3d9a03be91135fc426d57cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b7903ceff028a9652b48b12d189edc6.png)
您最近一年使用:0次
2022-02-18更新
|
768次组卷
|
2卷引用:江苏省徐州市2021-2022学年高一上学期期末数学试题
名校
4 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f38cc19912a78aeb0051c53941683702.png)
(1)求
的值;
(2)若
,求
及
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f38cc19912a78aeb0051c53941683702.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/508b658b6cf2716d5d78b66f1fc81891.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac65426a077322326ae97824a374e735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df991578af5c56f71c0c199f262a76fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0325fe26db1472737214db0b05477c9d.png)
您最近一年使用:0次
2022-02-06更新
|
1638次组卷
|
6卷引用:江苏省常州市溧阳市2021-2022学年高一上学期期末数学试题
名校
5 . 已知
,则
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b241c41e1e51bf71aaa4fb080303bb97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f092db1495faddf4279311fb7e2d972f.png)
您最近一年使用:0次
2022-02-02更新
|
882次组卷
|
3卷引用:江苏省南京师范大学附属中学2021-2022学年高一上学期期末数学试题
解题方法
6 . 已知
,其中
为第二象限角.
(1)求cos
﹣sin
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b9d2fbb6c766e27a88c99067c9e9b9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求cos
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfe45bea7f8b435b6b5b46b8d08167d8.png)
您最近一年使用:0次
2022-02-01更新
|
1176次组卷
|
4卷引用:江苏省苏州市2021-2022学年高一上学期期末数学试题
解题方法
7 . (1)已知
是第三象限角,且
,求
;
(2)计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04538565ca2591d85e8375492b171f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef3e0a9e893ebd74e1ebda76f2842a26.png)
您最近一年使用:0次
解题方法
8 . 若
,则
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f125fd53e1adb7b35d7d69692bb34953.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f23f8288763fe1b65f1642b122fbab.png)
您最近一年使用:0次
解题方法
9 . 如图,在平面直角坐标系中,角
的始边均为x轴非负半轴,终边分别与单位圆O交于
两点,
.
![](https://img.xkw.com/dksih/QBM/2022/1/22/2899878450462720/2905089194344448/STEM/06ae0fccaf4b437980be25c46dbc3fc7.png?resizew=215)
(1)若点A的纵坐标为
,求
的值;
(2)若
,求
的值.
![](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/adaa0a1cb07d40bcb6d11a3d1fd007fb.png)
![](https://img.xkw.com/dksih/QBM/2022/1/22/2899878450462720/2905089194344448/STEM/06ae0fccaf4b437980be25c46dbc3fc7.png?resizew=215)
(1)若点A的纵坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee14db57f0c762aad845cf5b4a243c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72dbc0beb7da0da908356066b122b17b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a950167d57097085d189152a5fa2dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
您最近一年使用:0次
名校
解题方法
10 . 已知
为第四象限角,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0bfcbf73d9aaa19891a0cff3e5a39a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
您最近一年使用:0次
2022-01-20更新
|
797次组卷
|
3卷引用:江苏省常州市教育学会2021-2022学年高三上学期学业水平监测数学试题