Show that the semi-vertical angle of the cone of the maximum volume and of given slant height is `cos^(-1)1/(sqrt(3))`

Show that the semi-vertical angle of the cone of the maximum volume and of given slant height is tan^(-1)sqrt(2)

Show that the semi-vertical angle of the cone of the maximum volume and of given slant height is tan^(-1)sqrt(2) .

Show that the semi-vertical angle of the cone of the maximum volume and of given slant height is tan^-1sqrt2 .

Show that the semi-vertical angle of the cone of the maximum volume and of given slant height is tan^(-1) sqrt(2) .

Show that the semi-vertical angle of the cone of the maximum volume and of given slant height is tan^(-1) sqrt(2) .

Show that the semi-vertical angle of the cone of the maximum volume and of given slant height is tan^(-1)sqrt(2) .

The semivertical angle of the cone of maximum volume and of given slant height is

Show that the semi-vertical angle of the right-circular cone of maximum volume and of given slant height is cos^-1(1/sqrt3)

Show that the semi-vertical angle of right circular cone of the maximum volume and of given slant height is tan^(-1) sqrt(2)