Trigonometry

Ben Smith
Mind Map by , created about 6 years ago

Core 2 (Trig 2) Mind Map on Trigonometry, created by Ben Smith on 04/29/2013.

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Ben Smith
Created by Ben Smith about 6 years ago
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1 Ratios
1.1 Sin: 180 - solution
1.2 Cos: 360 - Solution
1.3 Tan: +/- 180
1.4 Cosine Rule
1.4.1 a(2)=b(2)+c(2) - 2BCcosA
1.5 Sine Rule
1.5.1 a/sina = b/sinb = c/sinc
1.5.2 FLIP FOR ANGLES
1.6 Area of triangle
1.6.1 1/2ACsinB
2 Arcs and sectors
2.1 Arc Length = rӨ
2.2 Area of a sector = ½ × θ × r2
3 HARD TRIG
3.1 SIN GRAPH: Start a 0, cut at 180 and 360
3.2 Cos Graph: Start at 1, through 90 and 270
3.3 Tan Graph: Asymptotes at 90 and 270
3.4 Cos/Sin - period of 360
3.5 Tan - period of 180
3.6 Identities
3.6.1 Sin/cos = tan
3.6.2 sin(2)+cos(2) = 1

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