• Introduction
  • Elements of triangle and importance of right angled triangle in trigonometry
  • Quiz based on triangle properties
Understanding radian and degree system
  • radian and degree system and relating arc length and radius of circular arc.
  • Arc length related Examples
  • Quiz based on radian and degree
  • Watch problems
  • Watch Related Examples
Understanding Trignometric Ratios
  • Trignometric ratios concept
  • Exapmles of trigonometric ratios
  • Trigonometric ratios Quiz
  • Trigonometric ratios of special Angles
  • Examples of special angles of trigonometric Angles
  • Special Angles Quiz
Three basic identities from pythagoras theorem
  • Deriving three basic identities by pythagoras theorem
  • Examples of three basic identities
  • Basic identities quiz