sine & cosine rules

lizabeth rawson
Mind Map by lizabeth rawson, updated more than 1 year ago
lizabeth rawson
Created by lizabeth rawson over 1 year ago
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GCSE Maths (pythag and trig) Mind Map on sine & cosine rules, created by lizabeth rawson on 11/18/2019.

Resource summary

sine & cosine rules
  1. sine rule
    1. a b c
      1. _______ = ________ = _______
        1. sinA sinB sinC
    2. cosine rule
      1. a² = b² + c² - 2bc cosA
      2. Lower case a, b and c represents sides of a triangle
        1. the upper case A, B and C represent the opposite angles of the sides of a triangle
        2. area of triangle = 1/2 ab sinC
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