• Trigo recap
     Help
  • What is the Sine Rule?
    sinA/a = sinB/b = sinC/c
  • What is the Cosine Rule?
    a^2 = b^2 + c^2 -2bccosA
  • What is the formula to find the area of a triangle if you do not know the perpendicular height?
    1/2 absinC
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