如图,某学校有一块平面四边形
空地,已知
,
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/23/d24e29eb-6ebc-4c16-b986-de27f5969f6e.png?resizew=120)
(1)求
,
两点间的距离;
(2)设
的角
的对边分别是
,且满足
,现要在
内做一个最大的圆形花圃,求这个最大圆形花圃的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc4ac054bcc580dc6f5654d1e326d47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dbf31dfd36aa456a63bafea8bc1985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d17a79a7e19d74c65818b0962f47372.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/23/d24e29eb-6ebc-4c16-b986-de27f5969f6e.png?resizew=120)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ee37de9ad32a4ba3cd1f4dde4fb5482.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
更新时间:2023-05-11 20:59:44
|
相似题推荐
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】已知
,
,函数
.
(1)求函数
的最小正周期;
(2)将函数
的图象上的各点______得到函数
的图象,当
时,方程
有解,求实数a的取值范围.
在以下①、②中选择一个,补在(2)中的横线上,并加以解答,如果①、②都做,则按①给分.
①向左平移
个单位,再保持纵坐标不变,横坐标缩小为原来的一半;
②纵坐标保持不变,横坐标缩小为原来的一半,再向右平移
个单位.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb9da20cb09a1d04270b03b00bc6da2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bf8a993d8844a77282389fad3cb5b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a26c2087e3a2711f42846403839c200e.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfeb726c3854090ebfcb7033076b0f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42789e1a57375cc0fc379ecc947c15e3.png)
在以下①、②中选择一个,补在(2)中的横线上,并加以解答,如果①、②都做,则按①给分.
①向左平移
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/953b78787e8b2454510bedbfa14b7167.png)
②纵坐标保持不变,横坐标缩小为原来的一半,再向右平移
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
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适中
(0.65)
【推荐2】已知向量
.设函数
的图象关于直线
对称,其中
为常数,且
.
(1)求函数
的最小正周期;
(2)若
的图象经过点
,求函数
在区间
上的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd32977db8dffc2168a1dd39d171b426.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be0cb1edfaba7d765a18fd86f419ebc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17c3319647314c3b6d82958a909acd2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30ba2e0d52f64aba5199fd5524039c15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a456886e784e41f8ba665255a82c2d5.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de6d1af1984f890f1b9bd7dd2a1ab30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e0cec5e9bcc44d56d4c8afff7035ebb.png)
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【推荐1】已知
,
,
.
(1)求
的单调递增区间;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7b84c4c974110d6ecf21a1f315a06a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd77974350e0653450dbb8212c053214.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/740710b92f3f3af8f447d1a12799ef81.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/523af5074e041e06a67212b087ef6863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc016bbbdd64f421ed85b4cd183e9924.png)
您最近一年使用:0次
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【推荐2】已知函数
的图象过点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae938af537cc9f1e7fe7bba7936b0967.png)
(1)求函数
的最小正周期以及对称中心坐标;
(2)
内角
,
,
的对边分别为
,
,
,若
,
,
,且
,试判断
的形状,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8c5cf1a1405311c4c36b4f83c0da510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae938af537cc9f1e7fe7bba7936b0967.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1175c9ee6b1744c7908228ff2816504b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd5b9bbd3d22bd2cef53dd4b9691257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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适中
(0.65)
名校
【推荐3】已知函数
.
(1)求函数
在
的值域;
(2)将函数
的图象上的每个点的横坐标都变为原来的
倍,纵坐标不变,得到函数
的图象,若函数
在
上没有最值,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54303c27f0fd032200a16af6c80efffe.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51332c979e0dcd3bc5c9ae69e0c1755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d51992c05a557cf6058664f1f8961e.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8dbc6614da1ef7bbe24166f60d797c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe386ad25a4c1cce633ed4e129127047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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(0.65)
名校
解题方法
【推荐1】在
中,角
,
,
的对边分别为
,
,
,已知
.
(1)求角
的大小;
(2)若
的面积为
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a1039eaaded52d5d34b8438116ab4e0.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b21f51a8fe0d9f826aa1a5d0017b908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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适中
(0.65)
名校
解题方法
【推荐2】在
中,角A,B,C所对的边分别为a,b,c,向量
,
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b940fa277bff8b7f0dc1f70038919c6a.png)
(1)求A;
(2)若
,
的面积为
,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed62e5404e2eaff20722f7ffd377d09e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039ff2d0493f1452bef5a086d835e6ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b940fa277bff8b7f0dc1f70038919c6a.png)
(1)求A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783d6adfa8fb1352679c5185258d842a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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【推荐3】如图,A,B是单位圆上的相异两定点(O为圆心),且
.点C(与B不重合)为单位圆上的动点,线段AC交线段OB于点M.
,求
的值;
(2)设
(
),
(
),
①用t来表示
;
②已知
的面积
,记
,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbc790cfaa59a808c25a7edb95dc29fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d895c90472aa8526ef8e7092f227e1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d4cbfc00ff1b4016bc51b6704f6c42.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0ed415a27df301751b8a613ad95cf5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d6a8090b98be10b14f6ef69b126e81c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f2590902f4edd2fa6b233ef54a31862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/540ccd15435aa2d59e809d6a28fb2467.png)
①用t来表示
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
②已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc28b212fef8051da13560935d480d14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef74987a13e3180fc22ab83a9f2b84e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acb17843c51402a1f7cd9b07542597b9.png)
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解答题-问答题
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适中
(0.65)
【推荐1】设函数
,将函数
的图象向右平移
个单位长度后图象关于原点对称.
(1)求函数
的单调递增区间;
(2)在
中,角A,B,C所对的边分别为a,b,c,且
,
①若
,求
的值;
②若
,
,求c的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02420536222d0864b14a1d1eb2f631e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b00a2405aea402c3c7fecfe9f7f7d90b.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7cd1a119e3f0366136837fde54b225c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e71cd32a9a68ebcc12ced20abcb2f89.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3320a13248a3a1208ff6ee85c9d26f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e7ed22a2438b09074235db0799464a7.png)
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(0.65)
【推荐2】如图,
的三个内角
,
,
对应的三条边长分别是
,
,
,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/dbb7d4ae-dad7-4413-9235-ab76388db223.png?resizew=195)
(Ⅰ)求
的值;
(Ⅱ)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b455b110a30c1533d0a0657e0e48ac33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd1d4f6c95867191012b7711b16a8ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74b9cd74a6d12bb3ae9b7a0045f4d7fe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/dbb7d4ae-dad7-4413-9235-ab76388db223.png?resizew=195)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b01adc561735ff5be9bb97266918f2.png)
(Ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df6d51738ac1bc8b9530ea4a55745c2.png)
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