engineering mathematics MCQ #1582

∫(sinx + cosx)² dx = ?

engineering mathematics MCQ #1582

  1. Question 1

    Q1. ∫(sinx + cosx)² dx = ?

    • A) x + sin²x + C
    • B) x - sin²x + C
    • C) x + sin(2x) + C
    • D) x - sin(2x) + C

    Answer: x + sin(2x) + C

    Explanation: Expand (sinx + cosx)² = 1 + sin(2x), then integrate term by term.