engineering mathematics MCQ #659

Differentiate y = sin(x)cos(x)

engineering mathematics MCQ #659

  1. Question 1

    Q1. Differentiate y = sin(x)cos(x)

    • A) cos²(x) - sin²(x)
    • B) cos²(x) + sin²(x)
    • C) sin(x)cos(x)
    • D) -sin(x)cos(x)

    Answer: cos²(x) - sin²(x)

    Explanation: Using product rule, dy/dx = cos²(x) - sin²(x)