Предмет: Алгебра, автор: oksana24051989

в треугольнике авс угол с равен 90 градусов.кос а равен равен 0.24.еайти син в

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Автор ответа: molid7

0

треугольник АВС- прямоугольный. cos a= АСАВ, ( косинус - это отношение прилежащего катета к гипотенузе) cos a = 0,24 следовательно АС=24, АВ=100.
sin b=АСАВ (синус - это отношение противолежащего катета к гипотенузе)
( все значения известны) следовательно sin b=0,24.

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