В треугольнике мнк мн перпендикулярно нк, мк равно 12 см, угол к равен 60°
Найти НК

yby6b6yyb6b7yhy77ysyba8yha8y7ysbag7v7tahwy88wyhwb TV yby6b6yyb6b7yhy77ysyba8yha8y7ysbag7v7tahwy88wyh rd and atcayfcwycf6 and the first time I had the park bu and I had to 6AM the first time and

теорема соs

р/м треуг авс

36=64+100-2*8*10*соsc

36=164-160cosc

160cosc=128

cosс=0,8

а=30 град

с=90 град

в=90-30=60 град

sina=sin 30=1/2

sinb=sin60=sqr3/2

cosa=cos30=sqr3/2

cos b=cos60=1/2

tga=sina: cosa=1/2 : sqr3/2 =sqr3/3

tgb=sinb: cosb=sqr3/2 : 1/2=sqr3