Trigonometry Diagram

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Sine Rule

Sine Rule: not right-angled and involves 2 sides and 2 angles

Sides: a/SinA=b/SinB=c/SinC

Angles: SinA/a=SinB/b=SinC/c 

Trigonometry Diagram

Right-angled Triangle:

  • Sides and Angles: Sin/Cos/Tan
  • Sides (no angles): Pythagoras: a2=b2+c2

Non Right-angled


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