Equations for Mathematics 0.0 / 5 Mathematics2D and 3D shapeGCSEAQA Created by: MiniHowkeyCreated on: 07-06-16 16:31 General Right Angled triangles trigonometry rule SOH-CAH-TOA 1 of 5 Cosine rule for non right angled triangles (for the angle and sides) Sides(a2 = b2 + c2 - 2bc cos A) Angles (Cos A=b²+c²-a²/2bc ) 2 of 5 Pythagoras Theorem a²+b=c² 3 of 5 Area of a non right angles triangle 1/2 ab SinC 4 of 5 Area of a trapezium A=a+b/2 h 5 of 5

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