BC = корень(25^2 - 24^2) = 7
cos a = sin b = 24/25 = 0.96
sin a = cos b = 7/25 = 0.28
tg a = 0.28/0.96 = 0.29
tg b = 0.96/0.28 = 3.43
BC= корень квадратный из AB^2-AC^2= 625-576=49, корень из 49=7.
sin A= BC/AB= 7/25, cos A= AC/AB= 24/25, tg A= sin A/cos A= 7/24.
sin B= АC/AB= 24/25, cos B=BC/AB=7/25, tg B= sinB/cos B= 24/7.
BC = корень(25^2 - 24^2) = 7
cos a = sin b = 24/25 = 0.96
sin a = cos b = 7/25 = 0.28
tg a = 0.28/0.96 = 0.29
tg b = 0.96/0.28 = 3.43
BC= корень квадратный из AB^2-AC^2= 625-576=49, корень из 49=7.
sin A= BC/AB= 7/25, cos A= AC/AB= 24/25, tg A= sin A/cos A= 7/24.
sin B= АC/AB= 24/25, cos B=BC/AB=7/25, tg B= sinB/cos B= 24/7.