engineering mathematics MCQ #5582

What is the value of sin(x - y) if sin(x) = 1 / 2 and cos(y) = 1 / 2?

engineering mathematics MCQ #5582

  1. Question 1

    Q1. What is the value of sin(x - y) if sin(x) = 1 / 2 and cos(y) = 1 / 2?

    • A) 0
    • B) 1
    • C) 1 / 2
    • D) √3 / 2 - 1 / 2

    Answer: √3 / 2 - 1 / 2

    Explanation: Using sin(x - y) = sin(x)cos(y) - cos(x)sin(y), we find the value.