1 . 下列各式中,计算结果为
的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 .
是
内一点,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2239bd932c3e449b8179fbfa9a426478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/932979fbd93c8f58f804a448d4a4983c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7日内更新
|
579次组卷
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5卷引用:河南省创新发展联盟2023-2024学年高一下学期第三次月考(5月)数学试题
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解题方法
3 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a44a3344b7ac4f92c5d3b4d6dbad366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-05-24更新
|
384次组卷
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2卷引用:河南省驻马店市新蔡县第一高级中学2023-2024学年高一下学期5月月考数学试题
名校
解题方法
4 . 如图,在平面直角坐标系xOy中,点
,点
在单位圆上,
(
).
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/8/0a14a7c5-26e7-480e-9564-ccc8d03e6c5f.png?resizew=175)
(1)求
的值;
(2)若四边形OADB是平行四边形,求点D的坐标;
(3)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8950c7bc835103d52ceffab14b6b31a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf66ddd7e0869ffdce7f9c45972d193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb7e00f8bacce4d649b535449f04568c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0917d846965359153058d56498f076bb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/8/0a14a7c5-26e7-480e-9564-ccc8d03e6c5f.png?resizew=175)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85d1f5778af41bf197321d654a41597c.png)
(2)若四边形OADB是平行四边形,求点D的坐标;
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfbdf11b398a9190998780206d7e9512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7a66e27ef92fcc51530e54533e23973.png)
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2024-05-04更新
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139次组卷
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2卷引用:河南省郑州市郑中国际学校2023-2024学年高一下学期第二次月考(5月)数学试题
解题方法
5 . 若
则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db80a09af980515b81528c51a9657a0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c376e872e9bf4582c8284810bb880ab.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知
为第四象限角,且
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e066d1ff74d665c2fa777ade6512f86.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b466e77fee33ac7320cb32ca4d68f94d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eca410767a6f0540523912606b83d31.png)
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7 . 下列化简结果正确的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-03-21更新
|
522次组卷
|
3卷引用:河南省驻马店市新蔡县第一高级中学2023-2024学年高一下学期6月月考数学试题
8 . 已知直线
与抛物线
交于
,
两点(
的横坐标大于
的横坐标).
(1)求
,
的坐标;
(2)点
,
是抛物线
上不同于
,
的两点,直线
,
的倾斜角互补,直线
与直线
相交于点
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5130ca4ce75390124b05699c5a14aa9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce2790947716b1cfa9c5e7a65db4093.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd2d3bb3d0ad116392117cf849de8b07.png)
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9 . 已知
,若
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c08e2b35eb9eee05c222993b3ee24599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeffabc07bfb031fab1350ee4ecdd990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/920755e550df6bb0ab18bad68bd6aaaf.png)
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2024-01-10更新
|
1070次组卷
|
9卷引用:河南省周口市项城市2024届高三上学期1月阶段测试数学试题
河南省周口市项城市2024届高三上学期1月阶段测试数学试题陕西省安康市高新中学、安康中学高新分校2024届高三上学期第二次“尖子生计划”考试理科数学试题(已下线)第四章 三角函数与解三角形 专题11 由三角条件等式求最值(已下线)【一题多解】恒等变换 一题七法(已下线)模块五 第1讲:三角恒等变换【讲】高三清北学霸150分晋级必备(已下线)上海市高一下开学考试卷-【寒假自学课】(沪教版2020)(已下线)考点9 两角和与差正弦、余弦公式的应用 --2024届高考数学考点总动员【练】(已下线)大招11 积化和差公式(已下线)专题 9 多元变量的三角函数的最值问题
10 . 已知
.
(1)若
,求
的值.
(2)若
,
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff61e57f0c3c55c5f143a39a9d2091b0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f280aa9106f8983fa107da81a2ce1bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07560f8981f8a6fb2c7ce36f0df1b5af.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3fc995d040866e380ed24525d1a9235.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/013994e1d77487f76965e29bdc96fc9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bda318adf65c6b6fd45f651365f52346.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db796b223b35e52aa7b4114da8072f5.png)
您最近一年使用:0次