解题方法
1 . 若
是锐角,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f348549da5ee94142fdbda8ed685cc51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
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2 . 设
为无穷数列,记
,其中
为常数且
.给出下列四个结论:
①若
,则
为单调递增数列;
②若
,则
为单调递减数列;
③若
,则对任意
且
均存在最大项;
④若
,则对任意
且
均存在最小项.
其中所有正确结论的序号是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c464e05e8f4af798857922acee1b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b06a27bb553c7d73ac3b4ab67ff4bddd.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d48054d9bd5e864044fbf3192fd869a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21c122d09c11612333aeddd247399582.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/677e46ecd051c92489c0d1d458932f37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544530e1133b2924ccfbe691141a5641.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d1d4a3e830beaa5a649316adba00fa.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/677e46ecd051c92489c0d1d458932f37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544530e1133b2924ccfbe691141a5641.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d1d4a3e830beaa5a649316adba00fa.png)
其中所有正确结论的序号是
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3 . 设函数
,
,若函数
有三个不同的零点,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ae8107e42b774d5a5bb5ce24b802691.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70cfdbb4dc9030f17a750863feb7bc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df49341b57eb107f416a014903ce25a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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4 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49e19e507e74c5793351e9ac1621d29d.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/838847f514a2a8f779a8a4ac775c92cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/468faadf7a2a4f9bdc7402794364c3b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49e19e507e74c5793351e9ac1621d29d.png)
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5 . 数列
满足
,
,当
时,
,当
时,
,
,则当
时,m的最小值为 __________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12512ece96c59b86d189818f1e5310fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24d26a0d1d970ebd1d91de7a2595eb7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0cc8323f233d943d7e4acc6a8c8615.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50e8dba0e417c39ee9735d3ae264331.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be2fbc5238724ee8778fdaf6989a09db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcde7189db381533bc4d0e4d24e4dce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b0746a010e029b5aa3f1d72dba5e82.png)
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6 . 在
中,
,
,
,P,Q是BC边上的两个动点,且
,则
的最大值为_________ .
![](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/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7555d7708fbcceafdca92f950b96834c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42a8ba3ea434605e0574339efc9c38f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b0e9b189ff14a3a32ba8deb188476b8.png)
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7 . 在
中,角A,B,C所对的边分别为a,b,c,
,D为BC边上一点,
,且
,则
的最小值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/819c7a62f0c3f64f53370d19db912c13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9060f03b9ee41d70d135b1e1a8902ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d783fe7f3ce673d5d21281174e7a7968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/980ab4deb9e7f2bc9288787f5243a4d2.png)
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8 . 已知非空集合A,B满足以下两个条件:
(i)
,
;
(ii)A的元素个数不是A中的元素,B的元素个数不是B中的元素,
则有序集合对
的个数为______ .
(i)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/312d12edaefe038b13a837a83c8be9e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
(ii)A的元素个数不是A中的元素,B的元素个数不是B中的元素,
则有序集合对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a95d247ffb2774bb7e22708b25daf7f0.png)
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9 . 在
中,角
、
、
的对边分别是
、
、
,且
,
,
,则
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901805ccfb9d2af1cc95cbccec65877b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b173c1d7c25cf5d55bb4f546d0baefe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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10 . 若函数
在区间
内没有零点,则正数ω的取值范围是____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af2956f8c2943f4fb25d3e3826f21e11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a52469f9a348e10c1fc96c9ba3af29a8.png)
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2023-11-29更新
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866次组卷
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3卷引用:重庆市2024届高三上学期11月份大联考数学试题