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safin1ilya
@safin1ilya
July 2022
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4cosa=sin2a решите уравнение .
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sedinalana
Verified answer
4cosa-2sinacosa=0
2cosa*(2-sina)=0
cosa=0⇒a=π/2+πn,n∈z
sina=2>1 нет решения
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Answers & Comments
Verified answer
4cosa-2sinacosa=02cosa*(2-sina)=0
cosa=0⇒a=π/2+πn,n∈z
sina=2>1 нет решения