1-cosx/1+cosx=sin^2(x/2)/cos^2(x/2)=tg^2(x/2)
y'=2tg(x/2)*1/cos^2(x/2)*1/2=tg(x/2)/cos^2(x/2)
y'=sinx-sinх=0
cлышай там точно cоsх/1?
1-cosx/1+cosx=sin^2(x/2)/cos^2(x/2)=tg^2(x/2)
y'=2tg(x/2)*1/cos^2(x/2)*1/2=tg(x/2)/cos^2(x/2)
y'=sinx-sinх=0
cлышай там точно cоsх/1?