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修改40538,40539题面

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weiye.wang 2024-04-05 22:40:43 +08:00
parent a909762df7
commit 14f34cf814
1 changed files with 6 additions and 4 deletions
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10
题库0.3/Problems.json
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@ -768579,7 +768579,7 @@
},
"040538": {
"id": "040538",
"content": "下列说法正确的是\\bracket{20}.\n\\twoch{函数$y=\\sin x$在第一象限内是严格增函数}{函数$y=\\cos x$的图像是中心对称图像}{函数$y=\\tan x$在其定义域内是严格增函数}{函数$y=\\dfrac{\\sin x}{x}$是周期函数}",
"content": "下列说法正确的是\\bracket{20}.\n\\twoch{函数$y=\\sin x$在第一象限内是严格增函数}{函数$y=\\cos x$的图像是中心对称图形}{函数$y=\\tan x$在其定义域内是严格增函数}{函数$y=\\dfrac{\\sin x}{x}$是周期函数}",
"objs": [],
"tags": [
"第三单元"
@ -768591,7 +768591,8 @@
"usages": [],
"origin": "2025届高一下学期周末卷08",
"edit": [
"20230403\t王伟叶"
"20230403\t王伟叶",
"20240405\t王伟叶"
],
"same": [],
"related": [],
@ -768601,7 +768602,7 @@
},
"040539": {
"id": "040539",
"content": "下列函数中, 以$\\dfrac{\\pi}{2}$为周期且单调增区间为$[\\dfrac{\\pi}{4}, \\dfrac{\\pi}{2}]$的函数是\\bracket{20}.\n\\fourch{$|\\cos 2 x|$}{$|\\sin 2 x|$}{$\\sin 4 x$}{$\\cos 2 x$}",
"content": "下列函数中, 以$\\dfrac{\\pi}{2}$为一个周期且一个单调增区间为$[\\dfrac{\\pi}{4}, \\dfrac{\\pi}{2}]$的函数是\\bracket{20}.\n\\fourch{$|\\cos 2 x|$}{$|\\sin 2 x|$}{$\\sin 4 x$}{$\\cos 2 x$}",
"objs": [],
"tags": [
"第三单元"
@ -768613,7 +768614,8 @@
"usages": [],
"origin": "2025届高一下学期周末卷08",
"edit": [
"20230403\t王伟叶"
"20230403\t王伟叶",
"20240405\t王伟叶"
],
"same": [],
"related": [],