Odpowiedzi

2010-03-10T14:11:15+01:00
2s(m1+m2)=tg(m1-m2)
2sm1+2sm2=tgm1-tgm2
2sm1-tgm1=-tgm2-2sm2
m1(2s-tg)=-2sm2-tgm2
m1=-2sm2-tgm2/2s-tg