Integration by Substitution: u is in the denominator

This calculus video tutorial shows integration with U-substitution when u is in the denominator.

This calculus video tutorial shows integration with U-substitution when u is in the denominator.

Unit Circle Part 5: Outside the First Quadrant

This trigonometry video tutorial is part 5 on Unit Circle and trigonometry and shows trigonometric functions not in the first quadrant.

This trigonometry video tutorial is part 5 on Unit Circle and trigonometry and shows trigonometric functions not in the first quadrant.