[微積] 2題
Find the length ___________of the cardioid r=1+sinθ,0<=θ<=2π
1 x pi
∫-------- dx =-----
0 1+x^4 8
為什麼呢???
還有個問題 tan(反函數)0 是多少??
感恩~~~
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※ 編輯: dreamenjoy 來自: 122.118.9.5 (06/15 23:32)
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