engineering mathematics MCQ #5540

Simplify: sin(3x)/sin(x) - cos(3x)/cos(x)

engineering mathematics MCQ #5540

  1. Question 1

    Q1. Simplify: sin(3x)/sin(x) - cos(3x)/cos(x)

    • A) 2
    • B) -2
    • C) 1
    • D) -1

    Answer: 2

    Explanation: Using sum-to-product identities, we simplify to 2.