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kudrinzhenya
@kudrinzhenya
July 2022
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20 баллов!
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mmb1
Verified answer
6sin 15 cos 15/ (2cos²15 -1)=3sin 30/cos 30=3 tg 30=3 √3/3=3
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kudrinzhenya
Что означают символы "/" после в 15/ (2cos и т.д.), 30/cos и т.д. и 3/3 = 3?
mmb1
/ деление
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Answers & Comments
Verified answer
6sin 15 cos 15/ (2cos²15 -1)=3sin 30/cos 30=3 tg 30=3 √3/3=3