Answer and explanation

Correct answer: C.

  1. Step 1: . Step 2. With the result is . **Answer: . Why not the others:** : That multiplies by instead of dividing. : That has the sign of the integral of . : That does not change into .

Practise more Integration and Kinematics.

Free questions with an explanation for every one, and full timed Singapore GCE O-Level mock tests.

Find int cos 3x, dx. | Singapore GCE O-Level