21-22高一·湖南·课后作业
1 . 已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b61d70d215446ca6a648f04da75ea5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5274514fc3eaea3ea90fc3eaab69e4.png)
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21-22高一·湖南·课后作业
2 . 化简:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13cb277d36ad9a6042c3397d8bafb63d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f633e4c87ff4cb5befa052a38c5184.png)
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21-22高一·湖南·课后作业
解题方法
3 . 已知
,计算:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa0203e9556eeac428aa13452e361521.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b5b155cc6f8e391aab9c36abbcca73a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25d789f639b295d76fac50982b9a12de.png)
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21-22高一·湖南·课后作业
解题方法
4 . 已知
,计算:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1190e04aa8921abbe8d4b09b9e0af9e7.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/659b82f1c887de3f87326e81124b920d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/314bc5f1cc4a704182c535fe4f788b2d.png)
您最近一年使用:0次
21-22高一·湖南·课后作业
解题方法
5 . 计算:
(1)已知
是第二象限角,
,求
,
的值;
(2)已知
,求
的值;
(3)已知
,求
及
的值;
(4)已知
,求
的值.
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3d15b377e37c9e0fcbfce046148bdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bf5fbc765a9042c14139cf4d882e3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/777dcf6506a2a453823cddf0bd903962.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4338d266fb5457a048ff6e9f92cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ae213fddd38dcb0c167eaa136d49ce1.png)
(4)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a7de5b70003502e40b95b3b7d3d933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8556ee1d0650eb6a7c0b37bc4f8fedd1.png)
您最近一年使用:0次
21-22高一·湖南·课后作业
6 . 求下列各式的值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff890c0b23fbe43d7822e6141ddc256e.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/141ba0cc9575cf385295d78e34088056.png)
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7 . 化简
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac5bbbbc9490e5fc7d9349cc4afa331.png)
您最近一年使用:0次
2022-02-28更新
|
478次组卷
|
3卷引用:人教B版(2019) 必修第三册 逆袭之路 第七章 三角函数 小结
21-22高一·湖南·课后作业
解题方法
8 . 求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ca531f3f052fff28c7d9c272fcd09d3.png)
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21-22高一·湖南·课后作业
9 . 由二倍角公式
可知,
可用
的二次多项式表示,从而推测
可用
的三次多项式表示,再结合
,试计算
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e12df1322bb7b3347de3e9feddb55ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c899048a6d36703452628fb11b7e689f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0932b0388a5cef4ca3f16f8eb7c4207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460dc20cc2eb8beb9eac71c5b00b4a7b.png)
您最近一年使用:0次
21-22高一·湖南·课后作业
解题方法
10 . 已知
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c257ab5db8c406b30b59bed8416ae136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcbe8b4bcd32e5a64ebfd873f8cbb2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4976754bd2fb3323a0966ea49f38cba6.png)
您最近一年使用:0次