名校
1 . 已知点
在以
为直径的圆上,若
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72e8f4f8789d825b6abe9136f3335d0c.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6670479a0083dd2dfd5ad55b47b1ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e3432d20e661779ddcefda76afcc2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd1b3c262e8bf58c8479708d7496bbcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72e8f4f8789d825b6abe9136f3335d0c.png)
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2020-05-21更新
|
297次组卷
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3卷引用:上海市位育中学2021届高三上学期期中数学试题
名校
2 . 平面直角坐标系中,
已是单位向量,向量
满足
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2354fdc2ca0aff39c3f1e7d50b1ea4.png)
对任意实数t成立,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56eda4bb8604c18d0016a4377d05435a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0e14c924e83ae93263692baeb32f67c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2354fdc2ca0aff39c3f1e7d50b1ea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a01f42b80ac6c790abcdfafe3be5496.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5455bdb43226a925e13da2df0f233be6.png)
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2020-05-11更新
|
1359次组卷
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3卷引用:上海市闵行中学2022届高三上学期期中数学试题
名校
解题方法
3 . 在
中,
,
,
为
的中点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/223c67dd9cd2bbab06e163df2e44801d.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05740f0c6071846227dc0ec177ad15e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d58da37b3d1dbd2fee75089d5ba28134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/223c67dd9cd2bbab06e163df2e44801d.png)
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2020-05-10更新
|
890次组卷
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8卷引用:上海市南模中学2024届高三上学期期中数学试题
名校
4 . 如图:在
中,若
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/465f4f749b575f199874f011ada4274f.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e4f0c1c9cca0555906d8a53e1a6803d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4685b5d60f4757f3ca8671695e3a0749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59125a0220d722e4bcab5c7caf9cbbef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/465f4f749b575f199874f011ada4274f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/95e782da-2b07-4d26-b51f-a42792e48472.png?resizew=140)
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2019-12-17更新
|
471次组卷
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5卷引用:上海市大同中学2022届高三上学期期中数学试题
名校
5 . 若向量
、
满足
,且
,
,则向量
在
上的投影为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ece3e3ee1ef9f33dca9b4d34329b11eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c38228a371c88a7656435c3910826d18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1a967c139cd07a874e9969c9b4f357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
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2019-11-15更新
|
226次组卷
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2卷引用:上海市市北中学2019-2020学年高三上学期期中数学试题
名校
6 . 如图,在
中,若
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/465f4f749b575f199874f011ada4274f.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e4f0c1c9cca0555906d8a53e1a6803d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d11a5a756d8fdd7b294c4f5fd63467b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59125a0220d722e4bcab5c7caf9cbbef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/465f4f749b575f199874f011ada4274f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/d0bc87ea-f989-41c5-9487-c8c6601210e4.png?resizew=169)
您最近一年使用:0次
2019-11-15更新
|
317次组卷
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2卷引用:上海市西南位育中学2019-2020学年高三上学期期中数学试题
18-19高三上·上海·期中
名校
7 . 已知函数
(
,
,
)的图像与
轴交于点
,它在
轴的右侧的第一个最大值点和最小值点分别为
、
,点
是
图像上任意一点.
(1)求函数
的解析式;
(2)已知
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b727efd6b788937cbd5dd72d83571166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a05ec1c04fa100d1ce69053c2fb9f5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fefeac0d38a1a529666ebbb9278835a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd1b0b1017a67293acca4b7c6529c79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b61dfc707dd0241b062a979804d5f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/935e981de8bc36f7c88e77300cc6c880.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f901b9b6bf791de4a2e9b4bf78eeaf02.png)
您最近一年使用:0次
2019-11-14更新
|
283次组卷
|
3卷引用:上海市华东师范大学第二附中2018-2019学年高三上学期期中数学试题
(已下线)上海市华东师范大学第二附中2018-2019学年高三上学期期中数学试题上海市控江中学2018-2019学年高三上学期12月月考数学试题山西省长治市第二中学校2019-2020学年高一下学期摸底数学(理)试题
8 . 已知
,
,定义
,其中
,若可
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb58883caf5c8ca1e94389839d294b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdd37916e554dbeaa6729fb3279266f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9944600eafc9bf8c2e62bae49f62a345.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3ede869e508a8c8bda34a16782f863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9331761428603a9ab3ecdb1aaf331d65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20126588f4128288dc0e0d1d84de632a.png)
A.![]() | B.![]() | C.1 | D.![]() |
您最近一年使用:0次
名校
9 . 在
中,角
所对的边分别为
,已知:
,
且
,求角![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26308ea6d8f321d27acbd7f9b131f9f1.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/009ea21d4742f2130ea66a95a35e3cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0af96af6dee490f7a7a47a95e50f0cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d45632b3ca6ab6c0b05df0d5a838c375.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26308ea6d8f321d27acbd7f9b131f9f1.png)
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名校
10 . 已知向量
满足
且
,那么
与
的夹角是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fa2fcefaf3d8868da0cb52877c5247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9bbd650341ff7ea5f1b6245995d92b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6fcd3c498b328e86bf42c5ab6bf2455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
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