4)y`(t)/x`(t)=-sint/(-1/sin^2t)=sin^3t
1)y`=3arctg^2(4x-5)/(1+(4x-5)^2)*4=12arctg^2(4x-5)/(16x^2-40x+26)
2)y`=(1/2)*2x-(1/3)*3x^2+3^(√x)*ln3*1/(2√x)=x-x^2+3^(√x)lnx/(2√x)
3)y=x^2/6+x/6
y`=2x/6+1/6=x/3+1/6
4)y`(t)/x`(t)=-sint/(-1/sin^2t)=sin^3t
1)y`=3arctg^2(4x-5)/(1+(4x-5)^2)*4=12arctg^2(4x-5)/(16x^2-40x+26)
2)y`=(1/2)*2x-(1/3)*3x^2+3^(√x)*ln3*1/(2√x)=x-x^2+3^(√x)lnx/(2√x)
3)y=x^2/6+x/6
y`=2x/6+1/6=x/3+1/6