Science:Math Exam Resources/Courses/MATH307/December 2012/Question 04 (e)/Hint 1

Express the integral $\underset{0}{\overset{1}{\int }}\cos (2\pi t)(t^2-t)dt$ in terms of c_-1 and c₁. Then, plug n = -1 and n = 1 in the formular for c_n given in part (d).