Mathematics
Senior High
Solved
至急!
253のような有理化する問題の見分け方と、
254の解き方教えてください!
次の極限を求めよ。[253 254]
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> 1ーCOS8多
259 (0 0請
54 (1) limzecos
② im-Sae
*eo 1一cos
(の目ji にESUZ
メーーe を
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有理化の他に、半角の公式も使えます。253は