1 . 已知角
的顶点与原点
重合,始边与
轴的非负半轴重合,它的终边在射线
上.
(1)求
的值;
(2)化简并求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41ed625c38c016a8dca648528daf28b6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b1e46a939db43117686ce490ef3092.png)
(2)化简并求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bd3a0165efbe2e0c4d4cf498076f01b.png)
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名校
2 . 化简计算:
(1)
;
(2)设
,求
的值.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565bebf8472f3764fa1ca597cca561aa.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275afa38f5f1e4a53bd503f3e1b22a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ecd5f251e8a94a611cc98d239ff9575.png)
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2020-08-16更新
|
1245次组卷
|
3卷引用:陕西省西安市蓝田县2018-2019学年高一下学期期中数学试题
名校
3 . 已知
,
,函数
.
(1)求函数
图象的对称轴方程;
(2)若方程
在
上的解为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d9e28dc4c23c1c27d4a85a31cee1b6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76628ba16e1fb613f87c08a40eaba0de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cce79946192fc212d7f91b03688c023.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80d411d11083e44ecf1881529ecd63e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbfe8e7fb253685e0e50bae0c5482314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57858d12900e4c69fb9dc4287f7e8c06.png)
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