Math Chapter Wise Tangent, Normal, Increasing, Decreasing And Maxima/Minima Of A Function Of One Variable English MCQ UPPSC GIC 2021 UPPSC Ashram Paddhati 2021 Q.When we expand sin 4 π θ + in powers of θ, the coefficient of 3 3! θ is- A−1/2 B1/2 C−1/2 D1/2 Show answer Correct answer: −1/2