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Celovek21
@Celovek21
July 2022
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В треугольнике ABC угол C равен 90, sinA = 0,6, AC = 4 . Найдите AB
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vpvrest
Verified answer
АВ=AC/cosA; cosA=√(1-sin²A)=√(1-0.36)=√0.64=0.8
AB=4/0.8=5
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Verified answer
АВ=AC/cosA; cosA=√(1-sin²A)=√(1-0.36)=√0.64=0.8AB=4/0.8=5