Через Th пифагора найдем сторону ab:
ac^2 = ab^2 + bc^2
=> ab^2 = ac^2 - bc^2
=> ab = sqrt(ac^2 - bc^2) = 10
sin A = bc / ac = 24/26 = 12/13
cos A = ab / ac = 10/26 = 5/13
tg A = bc / ab = 24/10 = 12/5
ctg A = ab / bc = 10 / 24 = 5/12
Через Th пифагора найдем сторону ab:
ac^2 = ab^2 + bc^2
=> ab^2 = ac^2 - bc^2
=> ab = sqrt(ac^2 - bc^2) = 10
sin A = bc / ac = 24/26 = 12/13
cos A = ab / ac = 10/26 = 5/13
tg A = bc / ab = 24/10 = 12/5
ctg A = ab / bc = 10 / 24 = 5/12