1 . 已知向量
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff244f9e9345913bb0217d48ff378134.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f606cec682e57de2733739d416f7c3f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff244f9e9345913bb0217d48ff378134.png)
您最近一年使用:0次
2 . 已知线段
经过半径为12的圆的圆心
,且
,
,若
,
为此圆上的两个动点,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cd495dbd7296b0092fa3e1ef77477.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a97062f6c633b4cc0d084ab8e6827ade.png)
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3 . 方程
,
,则
______
用反三角函数表示
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e465e5e2a2cbffc46066fea46acf092.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7d964fd73381cecdc3e0b3e3484248f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a301324443eb93b467134a86890dd9ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
您最近一年使用:0次
名校
解题方法
4 . 已知
,且
,则函数
的零点为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7c25d8f0fd3e907886c99aafd62c671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67653fd1430f8ad1445414070ddf3346.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62b9a9df7e92ea7a60b58ca18613b066.png)
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5 . 已知
,
.若命题:“存在
,使得
”是假命题,则满足条件的有序实数对
为_____________ .(写出所有可能的结果)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d316bde9263bddc63926e9676705704b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c48b5066af46e273b3af82fd00310d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29aef458f2367b76432719f6f56275d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40d1f114c489ce74e499ac3848114933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71c665b744296f706a0fa088bf9ac4be.png)
您最近一年使用:0次
6 . 在
中,若
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21d5497d831a80602b2ec4473a01ca5d.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0334bc85843337c4dfcfdc5c638f9f62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bd75ef5b20b857c06cdd4c4a0a61379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21d5497d831a80602b2ec4473a01ca5d.png)
您最近一年使用:0次
7 . 已知
(其中常数
)是R上的偶函数,若
,
,则
的值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1032f84bd8fe83f23a9dae6919c8ab5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24035d06932c1ac8585a00f01fc35c9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e57592ed82fa097d92da297dc12f146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a135466eb8ca64d002d0fad36176d1c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
您最近一年使用:0次
8 . 在△ABC中,若
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e54a36173cd9b7b28e91619d715cb569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7a74c3e9a8f3f11e98b4fa659a97679.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd07e8a88a2413704e90721ab49315f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
您最近一年使用:0次
9 . 已知
、
为锐角,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9fcaa804011c37873b03ee284504fe.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef966cdd137b3b10e290201b4d17542e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b184f8323a8324a7d49599feb29a5598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9fcaa804011c37873b03ee284504fe.png)
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10 . 化简:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e87031d4823d21a538c8d356e6969f2.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e87031d4823d21a538c8d356e6969f2.png)
您最近一年使用:0次