No links , the alternative solution is also there

No links , the alternative solution is also there 12:26 PM VoLTE View_Solution_Report tan B, tan C, tan A are in G.P. O Solution sec(A + C) sec 2B — sec(A —C) cos(A + C) cos(A — C) cos 2B + I cos(A + C) + cos(A cos 2B —l cos(A + C) — cos(A cosB cos A cos C —sin 2B —sin A sin C tan 2 B — tan A tan C tan A, tan B, tan C are in G.P. Hence, the correct option is (C). -c) -c) Q.3