engineering mathematics MCQ #5542

What is the value of tan(15°)?

engineering mathematics MCQ #5542

  1. Question 1

    Q1. What is the value of tan(15°)?

    • A) 2 - √3
    • B) √3 - 1
    • C) 2 + √3
    • D) 1 + √3

    Answer: 2 - √3

    Explanation: Using tan(A - B) = (tan(A) - tan(B))/(1 + tan(A)tan(B)), tan(15°) = tan(45° - 30°) = (1 - 1/√3)/(1 + 1/√3) = 2 - √3.