engineering mathematics MCQ #854

The derivative of sin(2x) is

engineering mathematics MCQ #854

  1. Question 1

    Q1. The derivative of sin(2x) is

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

    Answer: 2cos(2x)

    Explanation: Using chain rule, if y = sin(u) and u = 2x, then dy/dx = cos(u) * du/dx = cos(2x) * 2 = 2cos(2x).