The usual trigonometry is overly complicated, inaccurate and logically dubious. This is the first of a series that shows you a better way---rational trigonometry!
Solving trigonometric equations. This is the opening of lesson thirty three from "AS" and "A" Level Mathematics DVD video PART FOUR available from www.mathstutor.biz...
Solving harder trigonometric equations. This is the opening of lesson thirty four from "AS" and "A" Level Mathematics DVD video PART FOUR available from...
Rational trigonometry can be used to solve surveying problems, usually more simply than the current way. This video gives three examples: finding the height of...
This video demonstrates how multitouch technology works, demonstrating zoom in and out and scrolling using multitouch on different applications including a user's inbox, the Internet,...
