Evaluate integration dx
- evaluate integration dx x 2 16
- evaluate integration dx 5 4cos2x
- evaluate integration dx 1 sin x
- evaluate integration dx 4 5sinx
- evaluate integration dx x 3 1
- evaluate integration dx 1 tanx
- evaluate integration dx
- evaluate integration dx 5 4cosx
- evaluate integration dx x2 4x 8
- evaluate integration dx 2 cosx sinx
