show that the semi vertical angle of a right circular cone of a given surface area and maximum value is sin-1 (1/3)

Similar Questions

1. A cone has a circular base, a perpendicular height of 21cm and a semi vertical angle of 30degree calculate the slant height of
   1. 5 answers
2. A cone has a circular base, a perpendicular height of 21cm, and a semi-vertical angle of 30degree. calculate the slant height of
   1. 1 answer
3. A cone has a circular base, a perpendicular height of 21cm, and a semi-vertical angle of 30degrees.Calculate the slant height of
   1. 1 answer
4. A cone has a circular base, a perpendicular height equal to 21cm, and a semi-vertical angle of 30degrees. Calculate the slant
   1. 3 answers

more similar questions