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Clearnote
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Senior High
Mathematics
この(2)の証明の仕方教えてください
Mathematics
Senior High
over 5 yearsago
数Bがががががか
この(2)の証明の仕方教えてください
(4) (0一smn4 エルCて0の/SULつ人 (2) og(6cosゾぴーccosぢ)三どーの 3。 ハハABO が, ocos 4 十0cos 三 cc(
数学 余弦定理 証明
Answers
ゲスト
over 5 yearsago
余弦定理でゴリ押し。
でも図かいて見るともっと簡単な方法はあるかもね。
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