August 2022 1 15 Report
1. Если в треугольнике ABC заданы длины сторон  AB=6,Bc=7, Ac=8  то sin<B равен? 
2. 
Если в треугольнике ABC дано: cos<C=5/13  ,   sin<А=3/7 , ВС=26, то АВ равна?  
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