Trigonometry


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Section A - What is Trigonometry?

A1 Watch the movie: What is Trigonometry?  
     

Section B - Pythagoras' Rule
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B1 Watch the movie: Looking at Areas - Introducing Pythagoras' Rule  
  Then Test Yourself  
     
B2 Watch the movie: Finding Missing Sides 1  
  Then Test Yourself  
     
B3 Watch the movie: Finding Missing Sides 2  
  Then Test Yourself  
     
B4 Watch the movie: Pythagoras in Disguise  
     

Section C - Using Sine, Cosine and Tangent
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C1 Watch the movie: Naming the Sides in a Right-Angled Triangle  
  Then Test Yourself online

You can also download a worksheet to test yourself:
Click here for the worksheet
Click here for the answers
HINT: To save the sheets, right click on the link and choose 'Save target as'

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C2 Watch the movie: Introducing Tangents  
  Then Test Yourself online  
C3 Watch the movie: Using Formula Triangles - a review  
  Then Test Yourself online  
     
C4 Watch the movie: Tangents - finding missing sides  
  Then Test Yourself online  
     
C5 Watch the movie: Tangents - finding missing angles  
  Then Test Yourself online  
     
C6 Watch the movie: Using a calculator  
  Then Test Yourself online  
     
C7 Watch the movie: Introducing Sines  
  Then Test Yourself online  
     
C8 Watch the movie: Sines - finding missing sides  
  Then Test Yourself online  
     
C9 Watch the movie: Sines - finding missing angles  
  Then Test Yourself online  
     
C10 Watch the movie: Introducing Cosines  
  Then Test Yourself online  
     
C11 Watch the movie: Cosines - finding missing sides  
  Then Test Yourself online  
     
C12 Watch the movie: Cosines - finding missing angles  
  Then Test Yourself online  
     
C13 Watch the movie: Learning the Formulae (includes SOHCAHTOA)  
  Then Test Yourself  
     
C14 Watch the movie: Choosing the Correct Formula  
  Then Test Yourself online  
     
C15 Watch the movie: Trigonometry in Disguise  
     

Section D - Miscellaneous

D1 Using an Excel spreadsheet (for information only - not required for GCSE maths!)  
     
D2 Table of values for sine, cosine & tangent for those of you with a severe allergy to scientific calculators!  Obviously, you won't be allowed to take this sheet into your exam, so BRING YOUR SCIENTIFIC CALCULATOR!

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