_ is a triangle and are in H.P.

MATHEMATICS · Single correct · ISC · Mathematics · Algebra · Sets and Functions

Problem

_____ is a triangle and tan⁡A2,tan⁡B2,tan⁡C2\tan \frac{A}{2}, \tan \frac{B}{2}, \tan \frac{C}{2} are in H.P., then the minimum value of cot⁡B2=\cot \frac{B}{2} = (a) 3\sqrt{3} (b) 1 (c) 12\frac{1}{\sqrt{2}} (d) 13\frac{1}{\sqrt{3}}

Related theory

Browse the problem library