1.由摆线x=a(t - sint),y=a(1 -cost)的一拱(0≤t≤2∏) 与横轴所围图形的面积2.由摆线x=a(t - sint),y=a(1 -cost)(a>0,t属于0~2∏),y=0所围的均匀薄板的面积有原始的公式的.第一个是x=o,第二个是y=0 不一
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![1.由摆线x=a(t - sint),y=a(1 -cost)的一拱(0≤t≤2∏) 与横轴所围图形的面积2.由摆线x=a(t - sint),y=a(1 -cost)(a>0,t属于0~2∏),y=0所围的均匀薄板的面积有原始的公式的.第一个是x=o,第二个是y=0 不一](/uploads/image/z/7210942-70-2.jpg?t=1.%E7%94%B1%E6%91%86%E7%BA%BFx%3Da%28t+-+sint%29%2Cy%3Da%281+-cost%29%E7%9A%84%E4%B8%80%E6%8B%B1%EF%BC%880%E2%89%A4t%E2%89%A42%E2%88%8F%29+%E4%B8%8E%E6%A8%AA%E8%BD%B4%E6%89%80%E5%9B%B4%E5%9B%BE%E5%BD%A2%E7%9A%84%E9%9D%A2%E7%A7%AF2.%E7%94%B1%E6%91%86%E7%BA%BFx%3Da%28t+-+sint%29%2Cy%3Da%281+-cost%29%EF%BC%88a%3E0%2Ct%E5%B1%9E%E4%BA%8E0%7E2%E2%88%8F%EF%BC%89%2Cy%3D0%E6%89%80%E5%9B%B4%E7%9A%84%E5%9D%87%E5%8C%80%E8%96%84%E6%9D%BF%E7%9A%84%E9%9D%A2%E7%A7%AF%E6%9C%89%E5%8E%9F%E5%A7%8B%E7%9A%84%E5%85%AC%E5%BC%8F%E7%9A%84.%E7%AC%AC%E4%B8%80%E4%B8%AA%E6%98%AFx%3Do%EF%BC%8C%E7%AC%AC%E4%BA%8C%E4%B8%AA%E6%98%AFy%3D0+%E4%B8%8D%E4%B8%80)
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