Предмет: Математика, автор: Dascha991


В треугольнике ABC угол C равен 90° , вс =18, tg A = 3. Найдите ас

Ответы

Автор ответа: martiemiliya
1
тангенс -это отношение противолежащего катета к прилежащему. 
tgA= \frac{CB}{AC}
3=18/AC
AC=6
Ответ: 6
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