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princessa240898
@princessa240898
October 2021
1
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с 2 заданием помогите пожалуйста!(((
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hlopushinairina
2tg(-π/4)·ctg(-π/6)+3sin(-π/2)-5cos(-π/6)=-2tgπ/4·(-ctgπ/6)-3sinπ/2-5cosπ/6=
=-2·(-√3)-3-5·√3/2=2√3-3-2.5√3=-3-√3/2
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Answers & Comments
=-2·(-√3)-3-5·√3/2=2√3-3-2.5√3=-3-√3/2