[理工] [微積分] 幾題積分計算
有幾題簡單積分 因為自己算答案不確定...希望有人能幫我
π
1.∫ sin^3(t)dt
0
2π
2.∫ (-sin(t)+cos^2(t))dt
0
π/2
3.∫ cos^2(t)sin^2(t)dt
0
3
4.∫ r/√(9-r^2)dr
0
謝謝
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