engineering mathematics MCQ #5572

What is the value of tan(π / 4 + x) if tan(x) = 1?

engineering mathematics MCQ #5572

  1. Question 1

    Q1. What is the value of tan(π / 4 + x) if tan(x) = 1?

    • A) undefined
    • B) 0
    • C) -1
    • D) 1

    Answer: undefined

    Explanation: Using tan(A + B) = (tan(A) + tan(B)) / (1 - tan(A)tan(B)), we find tan(π / 4 + x) is undefined.