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nitta1
@nitta1
July 2022
1
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Помогите пожалуйста.Очень прошу.....
В треугольнике АВС,АВ=15 см,ВС=20 см и синус угла С=3/4.Найти угол А.
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hanako15
По теореме синусов:
BC/sin A=AB/sin C= (3/4×20)÷15=1
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BC/sin A=AB/sin C= (3/4×20)÷15=1