MCQOPTIONS
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MCQOPTIONS
| 1. |
The semi-vertical angle of a right circular cone of given slant height and maximum volume is |
| A. | tan-1 2 |
| B. | \({\tan ^{ - 1}}\frac{1}{2}\) |
| C. | \({\tan ^{ - 1}}\sqrt 2 \) |
| D. | \({\tan ^{ - 1}}\frac{1}{{\sqrt 2 }}\) |
| Answer» D. \({\tan ^{ - 1}}\frac{1}{{\sqrt 2 }}\) | |