已知函数
,
.
(1)当
时,
的最大值及相应的x值;
(2)将
的图象向左平移
个单位后关于原点对称,
,求
的所有可能取值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6570ac10f0f1a63e4dc1ff2e94b815f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ac05736945533bdf5e39720ed25f617.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4138f6987cd2ee9e56b2ac80e84f9e24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51d65b6b24f2b83a74a2a6f7afb1df89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
22-23高一下·广东阳江·期末 查看更多[6]
广东省阳江市两阳中学2022-2023学年高一下学期期末数学试题(已下线)模块三 专题3 三角函数的最值问题(人教A)(已下线)5.6 函数y=Asin(ωx+φ)精讲-【题型分类归纳】(人教A版2019必修第一册)(已下线)第13讲:三角恒等变换综合性质-《考点·题型·难点》期末高效复习山东省菏泽市鄄城县第一中学2023-2024学年高一上学期1月月考数学试题(已下线)模块二 专题1 三角函数的最值与范围问题(人教B版)
更新时间:2023-09-25 17:16:35
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名校
解题方法
【推荐1】在
ABC中.a,b,c分别是内角A,B,C所对的边,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48b6990d9388a792dcbb02a46f8823db.png)
(1)求角C:
(2)若
,求锐角
ABC面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48b6990d9388a792dcbb02a46f8823db.png)
(1)求角C:
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/549a0c843a83f5d5507b25d0c5928fb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
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适中
(0.65)
【推荐2】已知函数
.
求
的最小正周期和单调递增区间;
求
在区间
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8c37d488e3705557726ba2fb5b77e0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9414f40d5f176d4a89fa264eaa703a.png)
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(0.65)
【推荐1】已知函数
,将
的图象向右平移
单位长度,再向下平移
个单位长度得到函数
的图象.
(1)求函数
的递增区间;
(2)当
时,求
的最小值以及取得最小值时
的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c08bbb8ce14327a76009315442de6779.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce080d729a39128386cbe2defc01ffeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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【推荐2】已知函数
的部分图象如下图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/31/968b8abc-0165-492c-a4ed-ac0e5e932e3f.png?resizew=131)
(1)求函数
的解析式,并求函数
单调递增区间;
(2)将
图象上所有点纵坐标不变,横坐标变为原来的
倍,得到
的图象.若
为函数
的一个零点,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61b9bd31fe6b32b424af4f6aa03e85ae.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/31/968b8abc-0165-492c-a4ed-ac0e5e932e3f.png?resizew=131)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf4b43b6792b9ae78a1c8cae4e60524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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【推荐1】在
中,角
的对边分别为
.
(I)若
,求
的值;
(II)若
为钝角,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0faf9f046fcde132e55d5c4929aa749.png)
(I)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7af69ccd4919a013c5a5b46ebe5cfc0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6402f1010e94be78552ed4c45548b1b8.png)
(II)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99ea513ef4c8fc4d8c31eff498740680.png)
您最近一年使用:0次
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适中
(0.65)
解题方法
【推荐2】在
中,角
,
,
所对的边分别为
,
,
.已知
,
,
.
(1)求
和
的值;
(2)求
的值.
![](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/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd53a0c2dbb2be029d7851263fddfe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/125afad1c613ae41b144f5d24f1ba02f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1311f32edf13f8caee5edb03f24a7ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8008e8d0c9ce94736f01f6af927c2f1.png)
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解题方法
【推荐1】设
,
,已知函数
的图象在区间
内恰有4条对称轴,且函数
为偶函数.
(1)求
的值以及
的取值范围;
(2)当
取得最大值时,将
的图象上所有点的横坐标缩小为原来的
,再将所得图象向右平移
个单位长度,得到函数
的图象,求函数
在区间
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb61a448347a3f8c1f126d1c00730cc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e4892080a918aa2127c09e8d4c28c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad14579830d0293b1390911cb603eb02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b41e02a861f23bc0486bf6b2b68c19b0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/738c2eb3b99133f96c55b643911d2f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/730511e5c675812664f9c7b297ad0a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
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适中
(0.65)
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【推荐2】已知函数
,
的图像先向右平移
,再纵坐标不变横坐标伸长为原来的2倍,得到
的图像.
(1)求
的对称中心;
(2)当
时,求
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1a605cf069cb79d7b00541236b3bde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd65d7c5e979706d391163aee2c18cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
您最近一年使用:0次