Ответ: y=2/3 cos(3x-π/6) x0=π/3 y(x0)=2/3cos(π-π/6)=2/3 cos(5π/6)=-2/3*(√3/2)==-√3/3y’=-2/3*sin(3x-π/6)*3=-2sin(3x-π/6)y'(π/3)=-2sin(5π/6)=-2*1/2=-1у-е касательной -1(x-π/3)+√3/3
Источник znanija.site
Ответ: y=2/3 cos(3x-π/6) x0=π/3 y(x0)=2/3cos(π-π/6)=2/3 cos(5π/6)=-2/3*(√3/2)==-√3/3y’=-2/3*sin(3x-π/6)*3=-2sin(3x-π/6)y'(π/3)=-2sin(5π/6)=-2*1/2=-1у-е касательной -1(x-π/3)+√3/3
Источник znanija.site