Question 14) ii. Solution?? Q14. Prove that: (i) tan x + tan π 3 + x + tan 2 π 3 + x = 3 tan 3 x (ii) cos x + cos π 3 - x cos π 3 + x = 1 4 cos 3 x . Share with your friends Share 0 Partha Sarathi Bera answered this Dear Student Regards 0 View Full Answer