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Liana2109
@Liana2109
July 2022
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в прямоугольном треугольнике ABC угол С=90 градусов, BC=3 см, cos угла 0.6 см. Найдите AB и AC
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i0borisov
Cosb=bc/ab , тогда ab=bc/cosb=3/0.6=5
ac=корень(ab^2-bc^2)=корень(25-9)=корень(16)=4
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Answers & Comments
ac=корень(ab^2-bc^2)=корень(25-9)=корень(16)=4