Question 5 - A-Level Maths

Exam Board	OCR
Module	C4 (Core Mathematics 4)
Year	2012
Session	January
Topic	Integration by Substitution

5 Use the substitution $u = \cos x$ to find the exact value of $$\int _ { 0 } ^ { \frac { 1 } { 3 } \pi } \sin ^ { 3 } x \cos ^ { 2 } x d x$$