Math Chapter Wise Trigonometrical Identities And Circular Function English MCQ TGT 2009 Q.If tan sin cot cos, 2 2 π θ = θ = θ = θ = θ then sin cos θ+ θ= θ+ θ= θ+ θ= θ+ θ= A2n + 2 B2n – 1 C2n D2n + 1 Show answer Correct answer: 2n + 1