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

Show that the semivertical angle of a cone of maximum volume and of given slant height is tan^(-1)sqrt2

Show that the semivertical angle of a cone of given slant height is tan^1 sqrt2 when its volume is maximum.

Show that semi-vertical angle of right circular cone of given surface area and maximum volume is sin^(-1) ((1)/(3)) .

Show that semi-vertical angle of right circular cone of given surface area and maximum volume is sin^(-1) ((1)/(3)) .

Show that semi-vertical angle of right circular cone of given surface area and maximum volume is sin^(-1)((1)/(3))

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