engineering mathematics MCQ #5219

The maximum value of sin(x) + cos(x) is?

engineering mathematics MCQ #5219

  1. Question 1

    Q1. The maximum value of sin(x) + cos(x) is?

    • A) 1
    • B) √2
    • C) 2
    • D) 1/√2

    Answer: √2

    Explanation: The maximum value of asin(x) + bcos(x) is √(a² + b²), so here it's √(1² + 1²) = √2.