Comparing and contrasting goes beyond beyond obvious differences—it includes critical thinking skills, too! Through a short video, writers learn how to organize ideas within a compare/contrast paper. The video highlights different styles...

Teach the rules of finding derivatives using the video lesson. The instructor explains in detail the Product, Power, and Quotient Rules. He describes each rule and then illustrates several examples.

Explore the derivatives of trigonometric functions through a video tutorial. The instructor shows how to evaluate a limit as x approaches infinity of a sine function. The final answer results in a limit of one.