名校
解题方法
1 . 手中有
把钥匙,其中有
把能打开房门,每次随机选取一把试验,试验完后就分开放在一边.
(1)求第二次才能打开房门的概率;
(2)为了甄别出能打开房门的三把钥匙,需要试验X次,求X的分布列及数学期望
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
(1)求第二次才能打开房门的概率;
(2)为了甄别出能打开房门的三把钥匙,需要试验X次,求X的分布列及数学期望
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bf3baba074e8aeb6f3ea117865bbd1b.png)
您最近一年使用:0次
名校
解题方法
2 . (1)计算:
;
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7afaebeb7c6c32ad9b9d84778b88d5da.png)
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/781cc7e1e3798d6a472deedaf26f76a6.png)
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解题方法
3 . 化简或计算下列各式:
(1)计算:
;
(2)角
的终边经过点
.
求
的值.
(1)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b78dc0d5583b66e17428ecb73d93e349.png)
(2)角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18810166ce296390380f6689dd2eb60c.png)
求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e85fd090ad4ca88610138bb55882ef9.png)
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4 . 求下列函数的导数:
(1)
;
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27ea60b61bc7e40e3c9e9e8e6f13a8b0.png)
(3)
;
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f77a40d6c2f61d56ac5c5470e23c9d6.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27ea60b61bc7e40e3c9e9e8e6f13a8b0.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52b1a177c6c57a085734059ee18c1227.png)
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5 . 计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff77703d314c5c13d7566bc08d94d43e.png)
(2)已知
,求
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff77703d314c5c13d7566bc08d94d43e.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/878ca3b673712990116810618763a756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4529f50e8aa8cac37f0a45a3cdf37e69.png)
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6 . 计算:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d3991547649fa6b3b33ed0f5736e2f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3683ba2eef13cd17c36cef5161c5a846.png)
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7 . 已知角
以x轴的非负半轴为始边,
为终边上一点.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ae794a72ce600ce708c8a159da96eb3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86c029b19c9122eec40462dd2462869.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f582772c9cede53c1fad861538b19c.png)
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8 . 计算
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bd4896f71731884161889dce2cb0842.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bd4896f71731884161889dce2cb0842.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe5835efa518f9f14e61d7f4267055bf.png)
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9 . (1)化简求值: ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a69f6ce4feba0375c31ed6a0f61cf48e.png)
(2)已知
,
,
,
,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a69f6ce4feba0375c31ed6a0f61cf48e.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b430da74168bd25fd3f156c62e6f393c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/110ab1eec7af116f797f33043381087d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0976fbec433a1cf7635f2eb3a1d92a1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef23a88af5ff4804fc88251437d4ab32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c65d2f40f30cd01c3d42bdbcf200e83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f0cdecd7c6e0775e4d53db1135c353e.png)
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解题方法
10 . 已知 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e9c7b88890d5db1f5a5971157e73e2.png)
(1)化简
;
(2)若
是第三象限角,且
求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e9c7b88890d5db1f5a5971157e73e2.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fddb534e8ad5a0a1d9efb2124d351fc.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9696ba04c237b94c9f845f8102411ec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e83f934e30c05716f2e977e691d54da2.png)
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