MATHS
http://www.youtube.com/user/TutorVista#p/u/119/wxUnodhYGE - Conv. of Pytha Theoremhttp://www.youtube.com/user/TutorVista#p/u/147/UNutkC8IOJU -Trigonometric Id'shttp://www.youtube.com/user/TutorVista#p/u/148/jNrizjTD4F8 - Trigonometric Ratios specific angles
Friends, don't mind the answers marked as MCQ. Sum are wrong while some correct.
Most of the answers given in the Appl. of Trigo wksht are exact by computers. They use correct value of root of 3, etc. Don't worry. Study well :D
LAST
YEAR's !!
Maths Olympiad
Jan 2011