Integration 1 upon 3
- integration of 1 upon 3
- integration of 1 upon x 3
- integration of 1 upon 4 3 cos square x
- integration of 1 upon 3 2 cos 2x
- integration of 1 upon 2 3 tan x
- integration of 1 upon 1 3 sin square x
- integration 1 upon 3 2 cos square x
- integration 1 upon 3 5 cos x
- integration 1 upon 3 2 sin x cos x
- integration 1 upon 3 2 sin x
