解题方法
1 . 若函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b22430100dd7dd6fb463282a33168f93.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc42f4700d4190e2797d323d6782d67e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b22430100dd7dd6fb463282a33168f93.png)
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2022-09-29更新
|
465次组卷
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3卷引用:陕西省安康市2019届高三第一次教学质量联考文科数学试题
2 . 如图,一辆汽车在一条水平的公路上向正西行驶,到A处时测得公路北侧一山顶D在西偏北
(即
)的方向上,行驶1公里后到达B处,测得山顶D在西偏北
的方向上,仰角为
,则此山的高度![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ec5d678ec42846e1d28301e3bfd4be.png)
____________ m.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f81e24376a13d648c2ed0dc73bc710e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a4c9b697e3df2b5469b71d3b5e47a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ec5d678ec42846e1d28301e3bfd4be.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/2/d8258f35-82e2-40f9-8aa8-16941657fb18.png?resizew=171)
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解题方法
3 . 若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1fb3a59161b58a1e6577faa9fe1fe31.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5a26b71cd73c4f1798720317a9561a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579caafab6d26fb86305c93991bc4a29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1fb3a59161b58a1e6577faa9fe1fe31.png)
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解题方法
4 . 已知
,
,
,
是同一球面上的四个点,其中
是正三角形,
平面
,
,
,则该球的表面积为______ .
![](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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
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5 . 如图,在
中,
,
,
.点D是线段BC上的一点,且
,则CD长为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ebb33adb2310a6e03918761e68204a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6b0c6766bd801fa114221d0ab0bfa61.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/28/d8b31710-1bb9-4678-a103-3d4219b78ebf.png?resizew=209)
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2022-09-27更新
|
591次组卷
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3卷引用:陕西省安康市2022-2023学年高三上学期9月联考理科数学试题
解题方法
6 . 在
中,角
,
,
的对边分别为
,
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
_______ .
![](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/52f547bbfeefa0a2a57e87072837d70a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
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名校
解题方法
7 . 若角
的终边在第四象限,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325436c4972f0af714eeaef2f60303fb.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a077ceccea768ed3c664d38d55242fbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325436c4972f0af714eeaef2f60303fb.png)
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2022-09-26更新
|
939次组卷
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3卷引用:陕西省安康市2022-2023学年高三上学期9月联考文科数学试题
名校
8 . 在区间
上随机取一个数
,则事件“
”发生的概率为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53496ae2397150370142b5195a1a39c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7195092edff6b928e17b44478d07bb.png)
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2022-07-24更新
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3卷引用:陕西省安康市石泉县江南中学2023届高三下学期2月月考数学(文)试题
名校
9 . 当
时,函数
取得最大值,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19099ff9ce1b01be72e4535e600aeb63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7178094f02d23e7f4bcfc8a4f51eb2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
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2022-06-22更新
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3卷引用:陕西省安康中学2021-2022学年高一上学期期末数学试题
名校
解题方法
10 . 函数
的定义域为_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39631261184332bcb4cf21933e5631c4.png)
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2022-06-22更新
|
837次组卷
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3卷引用:陕西省安康中学2021-2022学年高一上学期期末数学试题
陕西省安康中学2021-2022学年高一上学期期末数学试题安徽省亳州市涡阳县第九中学2021-2022学年高一上学期期末考试数学试题(已下线)第26讲 三角函数的图象与性质7种常考题型(1)-【同步题型讲义】(人教A版2019必修第一册)