Mathematics
Senior High
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ここの式変形が分からないので教えて頂きたいです💧‬

(1) dy dx = 2 sin 2t = 4 cost sin t

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✨ Best Answer ✨

2倍角の公式sin2t=2sintcost
をつかってます

あああああ

なるほど!ありがとうございます😭

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