求下列曲线所围成的图形的面积x=a*cos^3(t) y=a*sin^3(t)
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![求下列曲线所围成的图形的面积x=a*cos^3(t) y=a*sin^3(t)](/uploads/image/z/8640825-33-5.jpg?t=%E6%B1%82%E4%B8%8B%E5%88%97%E6%9B%B2%E7%BA%BF%E6%89%80%E5%9B%B4%E6%88%90%E7%9A%84%E5%9B%BE%E5%BD%A2%E7%9A%84%E9%9D%A2%E7%A7%AFx%3Da%2Acos%5E3%28t%29+y%3Da%2Asin%5E3%28t%29)
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