Integrate e x * sin x dx from 0 to pi 2

- Integrate x sin x dx from 0 to pi 2
- Integrate sin x cos x dx from 0 to pi 2
- Integrate sin x )/( 1 cos 2 x dx from 0 to pi 2
- Integrate x /( 1 sin x dx from 0 to pi 2
- Integrate sin 2 x )/( sin x cosx dx from 0 to pi 2
- Integrate x * sin x )/( 1 cos 2 x dx from 0 to pi pi 2 )/ 4
- Integrate sin 5 x 2 * sin x dx from 0 to pi 2
- Integrate e x * sin x cos x dx from 0 to pi 2
- Integrate sin 2 x * cos 4 x dx from 0 to pi 2