[微積] 一題摺積的運算
Sin(kt)*cos(kt) *是摺積
書上答案是寫0.5tsin(kt)
只是我怎麼算都算出0.5ktsin(kt)
雖然是工數遇到的不過過程是微積分
所以歸在微積分.
不知道書有沒有寫錯?
感謝!
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