engineering mathematics MCQ #5233

For y = sin(x) + cos(x), what is the maximum value?

engineering mathematics MCQ #5233

  1. Question 1

    Q1. For y = sin(x) + cos(x), what is the maximum value?

    • A) √2
    • B) 2
    • C) 1
    • D) 0

    Answer: √2

    Explanation: Using the identity sin(A+B), the max value is √(1²+1²) = √2.