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Trigonometry

Description

Core 2 (Trig 2) Mind Map on Trigonometry, created by Ben Smith on 29/04/2013.
Ben Smith
Mind Map by Ben Smith, updated more than 1 year ago
Ben Smith
Created by Ben Smith over 11 years ago
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Resource summary

Trigonometry
  1. Ratios
    1. Sin: 180 - solution
      1. Cos: 360 - Solution
        1. Tan: +/- 180
          1. Cosine Rule
            1. a(2)=b(2)+c(2) - 2BCcosA
            2. Sine Rule
              1. a/sina = b/sinb = c/sinc
                1. FLIP FOR ANGLES
                2. Area of triangle
                  1. 1/2ACsinB
                3. Arcs and sectors
                  1. Arc Length = rӨ
                    1. Area of a sector = ½ × θ × r2
                    2. HARD TRIG
                      1. SIN GRAPH: Start a 0, cut at 180 and 360
                        1. Cos Graph: Start at 1, through 90 and 270
                          1. Tan Graph: Asymptotes at 90 and 270
                            1. Cos/Sin - period of 360
                              1. Tan - period of 180
                                1. Identities
                                  1. Sin/cos = tan
                                    1. sin(2)+cos(2) = 1
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