计算下列各式的值.
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e06b2569087e6e236e119def4dd579a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7ca1642465c8401b115660671c14bb4.png)
更新时间:2022-11-18 21:42:52
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容易
(0.94)
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【推荐2】(1)计算:
;
(2)已知角
的终边经过点
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61360290a141a53ed11896137d2de233.png)
(2)已知角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a865d0cdbd1f950ba14112528db7af2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce8cb0eb961f9a71791b822004d45540.png)
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