1 . 若
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08cdc833ecb5c5ea0825cbc7521a1021.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5685f200fb12b6ba919ed935358f0c89.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
2 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c3e806c84fdc1e5d70bce830f6a7b1.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb2b945c63dd162a1fee9bdfa8de3c46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c3e806c84fdc1e5d70bce830f6a7b1.png)
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2019-12-16更新
|
600次组卷
|
3卷引用:重庆市西南大学附中2018-2019学年高一上学期期末数学试题
重庆市西南大学附中2018-2019学年高一上学期期末数学试题全册综合测试模拟三 -【新教材精创】2019-2020高一数学新教材知识讲学(人教A版必修第一册)-《高中新教材知识讲学》(已下线)7.2.3同角三角函数的基本关系式练习(1)
名校
3 . 在锐角
中,
,
为边
上的点,
与
的面积分别为2和4,过
作
于
,
于
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f12fabee2398bdd3d27b90f82778d2.png)
_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e85b8eb4f3e02fa8ab3b49def8958444.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/db5e1441a49e782ff0ef46e776cde06a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f8f01137e92c0f2e63467036ae9cce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c38dfd14dde969702dff97ef2270f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761a77e11e1e45c2a8b2d34d22cf8e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f12fabee2398bdd3d27b90f82778d2.png)
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4 . 已知
是第三象限角,且
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7048ccbdb3ce129de291987be79190d4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc88caa6e8846249c6d8f97823d896fc.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd4624249600311f288bde65c6a0250.png)
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2019-11-28更新
|
1334次组卷
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2卷引用:广东省佛山市南海区狮山石门高级中学2018-2019学年高一上学期11月月考数学试题
名校
5 . 已知
,则
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536e072eb0439a5e5b430cd55a129374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f809a76eb3a858c74525248a112da93.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-11-25更新
|
629次组卷
|
2卷引用:山西省晋中市平遥县第二中学2019-2020学年高三上学期10月月考数学(文)试题
6 . 已知向量
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9dbf9f4a050d856a26c08891f02fb8.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aaa7314d9a89f66542e6d67fe08de85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83187c2a93ecffa4ffbc3ee50c1836ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3854a1870df3dfab871bb1b15d41cb07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9dbf9f4a050d856a26c08891f02fb8.png)
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2019-11-21更新
|
514次组卷
|
3卷引用:湖南省三湘名校教育联盟2019-2020学年高三上学期第一次大联考数学(理)试题
名校
解题方法
7 . 在平面直角坐标系
中,设点
是抛物线
上的一点,以抛物线的焦点
为圆心、以
为半径的圆交抛物线的准线于
,
两点,记
,若
,且
的面积为
,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a477603f3f88c3b48352b6130f9ad5.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/e3d1b5a19506a0949b25e5dc68253579.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77d727dc789f0f21ab593888b6e04574.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bb11cc232c12965b81a211e327bf68e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-11-14更新
|
1291次组卷
|
7卷引用:【全国百强校】安徽省蚌埠市第二中学2018届高三4月月考数学(理)试题
【全国百强校】安徽省蚌埠市第二中学2018届高三4月月考数学(理)试题江苏省南京市三校2019-2020学年高二上学期十月联合学情调研数学试题(已下线)专题9.7 圆锥曲线综合问题(练)-2021年新高考数学一轮复习讲练测(已下线)专题9.7 圆锥曲线综合问题(精练)-2021年新高考数学一轮复习学与练(已下线)思想03 数形结合思想 第三篇 思想方法篇(练)-2021年高考二轮复习讲练测(浙江专用)江苏省六校2021届高三下学期第四次适应性联考数学试题(已下线)3.3 抛物线(难点)(课堂培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)
8 . 在
中,角
、
、
的对边分别为
、
、
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facd1fcfad659e95da18c38e5eb157b8.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/cdad322dcf9b7f0fa5a5985d482849ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facd1fcfad659e95da18c38e5eb157b8.png)
您最近一年使用:0次
名校
9 . (1)已知
是第三象限角,且
,求
的值.
(2)已知角
的终边上有一点
的坐标是
,其中
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d59142ab797807e560fe8adf63e6ecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a6aad40c02d5217af4535853938065b.png)
(2)已知角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077e83f0d728e3fd62aaed0611002475.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7f480621fe191e1544b1f043c266d7.png)
您最近一年使用:0次
2019-11-10更新
|
1308次组卷
|
4卷引用:上海市金山中学2017-2018学年高一上学期期末数学试题
上海市金山中学2017-2018学年高一上学期期末数学试题广东茂名市电白区水东中学2020-2021学年高一上学期12月测数学试题全册综合测试模拟二 -【新教材精创】2019-2020高一数学新教材知识讲学(人教A版必修第一册)-《高中新教材知识讲学》(已下线)上海期末真题精选50题(大题基础版)-2020-2021学年高一数学下册期中期末考试高分直通车(沪教版2020必修第二册)
10 . 已知
,
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c4266f962def23c1dc0bd66a502912.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4908e3b4e523c042732ccb7c215aac99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c5a05a11f731194a845e68a0479ce4.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
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