Thursday, October 25, 2007

TRIGONOMETRY





Labelling Triangles


- Use CAPITAL LETTERS for the angles.
- Use small letters for the sides.




Pythagorus Theorom


A² + B² = C²



Sin A = opposite/hypotenues : SOH


Cos A = adjacent/hypotenues : CAH


Tan A = opposite/adjacent : TOA



* adjacent is the side of the triangle, thats beside the opposite of the angle.


Example 1




EXAMPLE 2






FOR HOMEWORK
- do Exercise 17 , # 1-6 , 12-20
THE NEXT SCRIBE IS..
Haishan (:

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