(πt / 12) + 5 = (π / 2) + k , k = 24
請教一下怎麼解?
下一布是
(πt / 12) = 19 + (π / 2)
然後ㄋ?
2005-04-04 14:17:05 · 1 個解答 · 發問者 changchih 7 in 教育與參考 ➔ 其他：教育
(πt / 12) + 5 = (π / 2) + k , k = 24
(πt / 12) = 19 + (π / 2)
(πt / 12) = (38+π)/2
(πt / 12) = 6(38+π)/12
(πt / 12) = (228+ 6π)/12
πt= 228+ 6π
t= 228/π + 6
2005-04-05 09:08:34 · answer #1 · answered by 阿顥 2 · 0⤊ 0⤋