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alexboiko01
@alexboiko01
November 2021
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Помогите пожалуйста с уравнением!!!
Выберите один ответ:
1) -7-√2;
2) 7+√2;
3) -7+√2;
4) √2
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Answers & Comments
nafanya2014
Verified answer
Tg(π/3)=√3
ctg(-π/6)=-√3
cosπ=-1
sin(π/4)=(√2)/2
Получаем
-2·√3·(-√3)+(-1)-2·(√2)/2=-7-√2
О т в е т. 1)
1 votes
Thanks 2
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Answers & Comments
Verified answer
Tg(π/3)=√3ctg(-π/6)=-√3
cosπ=-1
sin(π/4)=(√2)/2
Получаем
-2·√3·(-√3)+(-1)-2·(√2)/2=-7-√2
О т в е т. 1)