| Exam Board | CAIE |
|---|
| Module | P3 (Pure Mathematics 3) |
|---|
| Year | 2015 |
|---|
| Session | November |
|---|
| Topic | Integration by Substitution |
|---|
5 Use the substitution \(u = 4 - 3 \cos x\) to find the exact value of \(\int _ { 0 } ^ { \frac { 1 } { 2 } \pi } \frac { 9 \sin 2 x } { \sqrt { ( 4 - 3 \cos x ) } } \mathrm { d } x\).