[考古] 96中原

[lukk790326 (mmmm)]

The area of the region outside the cardioid r = 1+ cosθ and inside the
circle r = √3 sinθ is
知道是心臟線和圓 可是圖畫出來很怪異= =
可以請求各位畫個圖及列算式讓我想想嗎
謝謝

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