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Trigonometry

SOH CAH TOA song







Lessons calendar



Learning Objectives Work Material

TRIGONOMETRY
  CRITERIA

SAMPLE
 
Pythagoras

 

Egyptiand AND Pythagoras


Applications OF Pythagoras




Pythagoras 3D



Why do we need trigonometry?

 

 
Similar triangles

  
SHADOW OF THE TREE PROBLEM

 From similar triangles to ratios

  
 
SOH CAH TOA

  

Finding missing angles
  

 CLINOMETER

 
Finding missing lenghts

  

Construct a clinometer and use it
to estimate heights of buildings

  

Applications of right-angles triangles:

angles of elevation an depresion

  
 

 Applications of right-angles triangles:

area of a triangle