Re: [微積] limit化簡卡關

看板Math作者Heaviside (Oliver)時間8年前 (2016/02/04 11:38)推噓3(3推 0噓 0→)

留言3則, 3人參與討論串2/2 (看更多)

※ 引述《lenny622 (落咖)》之銘言： : http://i.imgur.com/PElvyje.jpg

: 真的卡住了，板上大大有人會詳解嗎？ t(1-cost) 0 lim ─────── = ── t→0 t-sint 0 use L'hospital Rule we get t(1-cost) (1-cost)+tsint 0 lim ──── = lim ─────── = ── t→0 t-sint t→0 1-cost 0 sint+sint+tcost 2sint+tcost = lim ──────── =lim ────── =0/0 t→0 sint t→0 sint 2cost +cost-tsint = lim ───────── = 3 t→0 cost -- Logic can be patient for it is eternal. ----- Oliver Heaviside -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 114.32.247.46 ※ 文章網址: https://www.ptt.cc/bbs/Math/M.1454557106.A.0AA.html

推

lenny622

02/04 11:58, , 1^F

02/04 11:58, 1^F

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louiss72

02/04 15:36, , 2^F

02/04 15:36, 2^F

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nculeo

02/11 11:18, , 3^F

02/11 11:18, 3^F