$\Delta ABC$ $\tan \frac{A}{2},\tan \frac{B}{2},\tan \frac{C}{2}$ in A.P.Then ${\sin ^2}\frac{A}{2},{\sin ^2}\frac{B}{2},{\sin ^2}\frac{C}{2}$ are in: Sunday, January 02, 2022 a) A.P.b) G.P.c) H.P.d) None of the options given

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