名校
解题方法
1 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ac1449bb0d68998f1209a20c38353e.png)
(1)若角
是第三象限角,且
,求
的值;
(2)若
为锐角,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ac1449bb0d68998f1209a20c38353e.png)
(1)若角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/608515b00a710bb8babcae8dbf730ad4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd288d4152caf5fc8187a1a901c8949f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebf290caa3f2eb3f2bf68d3e609c6693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd288d4152caf5fc8187a1a901c8949f.png)
您最近一年使用:0次
解题方法
2 . 已知
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e749c37936aaf30556d31827b2599115.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2deb0fd94b184b201cb0f8e436d5210.png)
您最近一年使用:0次
解题方法
3 . 求值:
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ba27298c8ad51e2b05d23da395810c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49f043c7c75b49f1331250eb83a74699.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac111b0959445e9e9dc30db2ba6d414e.png)
您最近一年使用:0次
2024-02-11更新
|
455次组卷
|
2卷引用:山东省临沂第十八中学2023-2024学年高一下学期2月收心考试数学试题
4 . 已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57773b0d8a1181ba9eaecbcd3ca28802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8876322b94b9638639c56859f0eaa9d1.png)
您最近一年使用:0次
5 . (1)计算
;
(2)计算
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b063a37fa6c041cda02542ff178a544a.png)
(2)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/869cf4a7c2710762cab123667f45f66c.png)
您最近一年使用:0次
名校
解题方法
6 . 已知
,且
为第二象限角.
(1)求
,
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92852189b59df2d81484fa33ff0f9cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a282d19bf2c827a98d4443330f7ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cb23d45a693dda9304fd5d63d614b31.png)
您最近一年使用:0次
2024-01-09更新
|
2840次组卷
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6卷引用:山东省临沂市沂水县第一中学2023-2024学年高一上学期期末模拟数学试题(一)
名校
解题方法
7 . 在△ABC的三个内角A,B,C的对边分别为a,b,c,若
,
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cb6362bc99fba4bcd7331db9aee922c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be5afdf895ebbcb2cf7c94429aadeb8c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61e551f3af8330e755046ed671d77e60.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f42cb37c465ef95e582b521a579ea204.png)
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2024-01-05更新
|
386次组卷
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2卷引用:山东省泰安市泰山外国语学校2024届高三上学期期末数学试题
名校
解题方法
8 . 已知
,
均为锐角,
,
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db73deb6fa502e49e3c873ef076fbc32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e80e5e1f7f34f76355e4138bd279165.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f35152720e43c6403d43bef47c0377d.png)
您最近一年使用:0次
2023-12-26更新
|
636次组卷
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2卷引用:山东省淄博中学2023-2024学年高一下学期4月月考数学试题
解题方法
9 . 已知
.
(1)若
,求
的值;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319a4baf08dae2805783b724ce9b5ac6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/254037e651d3d66956241c239fc9dadc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f53a616f2fd3da5a2383bd04feaaa64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
您最近一年使用:0次
2023-12-16更新
|
708次组卷
|
3卷引用:山东省淄博市第七中学2023-2024学年高一上学期1月月考数学试题
山东省淄博市第七中学2023-2024学年高一上学期1月月考数学试题浙江省浙南名校联盟2023-2024学年高一上学期12月联考数学试题(已下线)专题20诱导公式-【倍速学习法】(人教A版2019必修第一册)
解题方法
10 . 化简
(1)
.
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5ccaa681b290114457e2cde74664a10.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092eeb44d3f6b53c72db0913b95acb7a.png)
您最近一年使用:0次
2023-03-25更新
|
337次组卷
|
2卷引用:山东省威海市乳山市银滩高级中学2023-2024学年高一下学期3月月考数学试题