engineering mathematics MCQ #1528

∫1 / (1 + cos x) dx

engineering mathematics MCQ #1528

  1. Question 1

    Q1. ∫1 / (1 + cos x) dx

    • A) tan(x / 2) + C
    • B) -cot(x / 2) + C
    • C) -tan(x / 2) + C
    • D) cot(x / 2) + C

    Answer: tan(x / 2) + C

    Explanation: Using trigonometric identity 1 + cos x = 2cos²(x / 2), and simplifying.