Math Chapter Wise Trigonometrical Identities And Circular Function English MCQ TGT 2009 Q.If tan tan2 tan tan2 1, θ+ θ+ θ= θ+ θ+ θ= θ+ θ+ θ= θ+ θ+ θ= then θ is– An 4 π+ Bn 2 π+ C1 n 4 3 π + DNone of these Show answer Correct answer: 1 n 4 3 π +