时钟时针与分针的夹角计算
2017-10-03 03:03
本范例通过 GeoGebra 构建动态时钟模型，演示时针与分针之间夹角的实时计算方法。利用圆、向量、角和序列等命令模拟时钟运转过程，计算并以度和弧度两种形式显示时针与分针的夹角。适用于学习角度计算、角速度概念及钟表类数学问题，帮助直观理解指针运动的数学原理。
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<value val="110.00000000000001"/>
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<expression label="text3" exp=""" + (LaTeX[angHMDeg]) + "°"" />
<element type="text" label="text3">
<show object="true" label="false" ev="8"/>
<condition showObject="b"/>
<objColor r="0" g="0" b="0" alpha="0"/>
<layer val="0"/>
<labelMode val="0"/>
<fixed val="true"/>
<selectionAllowed val="false"/>
<isLaTeX val="true"/>
<font serif="true" sizeM="2" size="16" style="1"/>
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<element type="boolean" label="a">
<value val="true"/>
<show object="true" label="true"/>
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<labelOffset x="11" y="160"/>
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<checkbox fixed="true"/>
<caption val="顯示弧度"/>
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<show object="true" label="true"/>
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<labelOffset x="11" y="310"/>
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<checkbox fixed="true"/>
<caption val="顯示角度"/>
</element>
</construction>
</geogebra>