已知
,
,且
,
,求:
(1)
的值;
(2)
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff81171e8634ac56f678a245781517a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f593eac79d2ef9cae8257cb05d22dc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2d00ef3a01f64abcd50284fa21c85e.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73f021a65c471011ee58a992ec8bf79f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db796b223b35e52aa7b4114da8072f5.png)
更新时间:2024-05-20 10:42:59
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相似题推荐
解答题-问答题
|
适中
(0.65)
名校
【推荐1】
的三个内角
依次成等差数列.
(1)若
,试判断
的形状;
(2)若
为钝角三角形,且
,试求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f9caf437daaf34d6075df028e9999a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cad535bd52c639a631558ee2cbf7e36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069390dd908ff203327958117a226593.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41956e87ba2b49797a5e46cd564a55ba.png)
您最近一年使用:0次
【推荐2】已知
.
(1)求
的值;
(2)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a12d50ff6ddd671727958a6d25a6efb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1a57bcde842debc72d3a0be52745302.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/660e73ce6d151e2b4d5973f294738bd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
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解答题-计算题
|
适中
(0.65)
名校
解题方法
【推荐1】求值;
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b208e4e74612ac033c21efeb15d29d9.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b208e4e74612ac033c21efeb15d29d9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e89e3fbd1ddca10a8d99eb92701a1865.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
【推荐2】设
.
(1)求
的值;
(2)求
的单调增区间;
(3)当
时,求
的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1acae35850916cf41f8ff803b1dddec8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92bff061cb1ca10bf9c50037403ae532.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5851644dbfab0e419d36fabde901dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
解题方法
【推荐1】已知
,且
.
(1)求
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(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed53925cace8212e87a4d3bad6463718.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/133dfb0ee3f12e92c0d229837cf96187.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73f021a65c471011ee58a992ec8bf79f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29dd1b7b3b6fdeabf9dce7b202b69243.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
【推荐2】设
.
(1)求
的单调递增区间及对称中心;
(2)当
时,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8ea1dd3ea29c8965cde2b4ebfea596.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4138f6987cd2ee9e56b2ac80e84f9e24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b04f2631aebcc85921c00c47d68d1f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64cd502af8424288431c6d6f27b89f73.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
解题方法
【推荐1】如图,在平面直角坐标系
中,以
轴为始边作两锐角
,
,它们的终边分别与单位圆交于
,
两点,且
,
的横坐标分别为
,
.求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b96754743b4a2d1e7b55598af708344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a69d166677557cadb3da32b4a7e152e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfea1e888676a13ad69c72fba0405ea.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/2e76843b-b600-4275-bf06-e6185da66e10.png?resizew=149)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐2】在①
,②
,③
中任选一个条件,补充在下面问题中,并解决问题.已知
,___________,
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a6d62c566e359cd6dde5b5247cb9dbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4b2d723d34e552c0760f792fc64a066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b0808bfa179cc9384381c33078523.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed53925cace8212e87a4d3bad6463718.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bea6b2770142f41ca36610294fcc593d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e279db1a3ff1d610d7acd95de7cc2f99.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
您最近一年使用:0次