engineering mathematics MCQ #724

Derivative of cos(x²) is

engineering mathematics MCQ #724

  1. Question 1

    Q1. Derivative of cos(x²) is

    • A) -2x sin(x²)
    • B) -sin(x²)
    • C) 2x cos(x²)
    • D) sin(x²)

    Answer: -2x sin(x²)

    Explanation: Using chain rule, derivative of cos(x²) is -sin(x²) * d(x²)/dx = -2x sin(x²)