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修改9609题面

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wangweiye7840 2024-03-25 16:36:53 +08:00
parent 6688a47cdd
commit cc92781660
1 changed files with 3 additions and 2 deletions
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5
题库0.3/Problems.json
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@ -274781,7 +274781,7 @@
},
"009609": {
"id": "009609",
"content": "下图是函数y=$A\\sin (\\omega x+\\varphi )$的图像, 请根据图中的信息, 写出该图像的一个函数表达式.\n\\begin{center}\n\\begin{tikzpicture}[>=latex]\n\\draw [->] (-0.5,0) -- (4,0) node [below] {$x$};\n\\draw [->] (0,-2) -- (0,2) node [right] {$y$};\n\\draw (0,0) node [below right] {$O$};\n\\draw ({-pi/12},0) node [below left] {$-\\dfrac{\\pi}{12}$};\n\\draw ({11*pi/12},0) node [below right] {$\\dfrac{11\\pi}{12}$};\n\\draw [domain = {-pi/12}:{11*pi/12}] plot (\\x,{1.5*sin(2*\\x/pi*180+30)});\n\\draw [dashed] (0,1.5) -- ({pi/6},1.5) (0,-1.5) -- ({8*pi/12},-1.5);\n\\draw (0,-1.5) node [left] {$-\\dfrac 32$} (0,1.5) node [left] {$\\dfrac 32$};\n\\end{tikzpicture}\n\\end{center}",
"content": "下图是函数$y=A\\sin (\\omega x+\\varphi )$的图像, 请根据图中的信息, 写出该图像的一个函数表达式.\n\\begin{center}\n\\begin{tikzpicture}[>=latex]\n\\draw [->] (-0.5,0) -- (4,0) node [below] {$x$};\n\\draw [->] (0,-2) -- (0,2) node [right] {$y$};\n\\draw (0,0) node [below right] {$O$};\n\\draw ({-pi/12},0) node [below left] {$-\\dfrac{\\pi}{12}$};\n\\draw ({11*pi/12},0) node [below right] {$\\dfrac{11\\pi}{12}$};\n\\draw [domain = {-pi/12}:{11*pi/12}] plot (\\x,{1.5*sin(2*\\x/pi*180+30)});\n\\draw [dashed] (0,1.5) -- ({pi/6},1.5) (0,-1.5) -- ({8*pi/12},-1.5);\n\\draw (0,-1.5) node [left] {$-\\dfrac 32$} (0,1.5) node [left] {$\\dfrac 32$};\n\\end{tikzpicture}\n\\end{center}",
"objs": [],
"tags": [
"第三单元"
@ -274793,7 +274793,8 @@
"usages": [],
"origin": "新教材必修第二册课堂练习",
"edit": [
"20220730\t王伟叶"
"20220730\t王伟叶",
"20240325\t王伟叶"
],
"same": [],
"related": [],