解题方法
1 . 在
中,角
的对边分别是
,已知
,点
在边
上,
是内角
的角平分线,且
,则
面积的最小值是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/bc7eb7c88b487f83ce1a3573505c6d6a.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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2 . 在
中,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41de4d71f031a145ffee28a1c487baed.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854e68b995b672792bb915ef502fcd5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41de4d71f031a145ffee28a1c487baed.png)
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名校
解题方法
3 . 已知函数
在
时取得最大值,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26f6d4796986a8943ced3b085f8b9394.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fae022680cd3df914cec0d2fb7a12af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19099ff9ce1b01be72e4535e600aeb63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26f6d4796986a8943ced3b085f8b9394.png)
您最近一年使用:0次
名校
解题方法
4 . 设
为锐角,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b10ac0e2a8707c0d8914949912c87369.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35b22d6e7e4223111b9974e825ddf6b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b10ac0e2a8707c0d8914949912c87369.png)
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5 . 已知平面非零向量
的模均为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799ad95449b4135dee2890ac31c43706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc983f1bad03411ae64d84ff7bdf2551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a16710403d8a87b858d92647ebaa1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
您最近一年使用:0次
6 . 已知函数
,若不等式
对任意的
都成立,则实数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8248e50bc59f52165d5ba1451ae8a25b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
7 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c7e086c3ab30df4d79870ae9a3cce5.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3442de0573a140970cbaffc82e1122f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c7e086c3ab30df4d79870ae9a3cce5.png)
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解题方法
8 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c44580c3baf0d30acc19e955ad9e324f.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665dbee1e961c82bba2218b2c1f07f90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a48383dab2bf34c13c49cd88f537da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c44580c3baf0d30acc19e955ad9e324f.png)
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解题方法
9 .
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb2575794cc895207a3a33156aaf2f87.png)
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解题方法
10 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3015dfa8241ea34a5fe59ce4b64e4c4d.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3015dfa8241ea34a5fe59ce4b64e4c4d.png)
您最近一年使用:0次