In a , the minimum value of…

MATHEMATICS · Single correct · CBSE · Mathematics · Sequences and Series · Sequences and Series

Problem

In a

\triangle ABC

, the minimum value of

\sec^2\frac{A}{2}+\sec^2\frac{B}{2}+\sec^2\frac{C}{2}

is (1) 3 (2) 4 (3) 5 (4) 6

Related theory

Browse the problem library