What is the integral of cos(x) dx? A -sin(x) + C B sin(x) + C C cos(x) + C D -cos(x) + C ✓ Correct Answer: Option B The integral of cos(x) is sin(x) + C, since d/dx[sin(x)] = cos(x). Practice AP Exam Prep Quizzes → Browse All Questions Study Flashcards