52:17

9709_w19_qp_12

13:10

fake derivative product rule is crazy!

19:50

Trigonometric Substitution

49:02

9709_s07_qp_1

1:09:44

9709_s24_qp_11

31:29

Trigonometric Integrals

33:50

Antiderivatives

9:25

Quadratic Equations: Completing the Square