4. (A) sin me sin ne de = 0 for all m,n N.(B) sin me cos na de = 0 for all m,n N.(C) cos me cos nae

問題詳情

4.
(A)

sin me sin ne de = 0 for all m,n

N.
(B)

sin me cos na de = 0 for all m,n

N.
(C)

cos me cos nae do = 0 for all m,n

N.
(D)

sinm t cosn a dx = 0 for all m,n

N.

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增

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