This infographic shows all the trigonometric functions on one page. It is useful for students to have it in a place where they can visually access this: http://www.infohow.org/wp-content/uploads/2012/11/RS-Trigonometry-Definition.gif

# Posts By: sgopalkrishnan

### Permutations and Combinations

This short video shows you how to do permutations and combinations with playing cards http://ed.ted.com/lessons/how-many-ways-can-you-arrange-a-deck-of-cards-yannay-khaikin#review [youtube http://www.youtube.com/watch?v=uNS1QvDzCVw&w=560&h=315]

### Mathematics with aliens

This video will show you how to calculate Distance using space aliens [youtube http://www.youtube.com/watch?v=edD3nwNcxcA&w=560&h=315]