engineering mathematics MCQ #958

lim x→0 (1 - cos x) / x² is

engineering mathematics MCQ #958

  1. Question 1

    Q1. lim x→0 (1 - cos x) / x² is

    • A) 0
    • B) 1 / 2
    • C) 1
    • D) ∞

    Answer: 1 / 2

    Explanation: Using the trigonometric identity and limit, lim x→0 (1 - cos x) / x² = lim x→0 (2 sin²(x/2)) / x² = 1/2.