→ zptdaniel:(sinx)^2 ? 123.194.99.113 05/12 22:55
→ zptdaniel:ln|secx + tanx| + sinx +c 123.194.99.113 05/12 22:57
→ zptdaniel: 打錯 後面是 "-" sinx 123.194.99.113 05/12 22:58
推 dreamroyc:(sinx)^2 = 1-(cosx)^2118.166.232.144 05/12 23:33
→ Jasonbon:喔喔 謝謝啦125.232.128.237 05/13 11:24
※ 編輯: Jasonbon 來自: 125.232.128.237 (05/13 11:24)
→ Jasonbon:好簡單喔...當初怎麼沒想到 ="=125.232.128.237 05/13 11:25