Mathematics 0.0 / 5 ? MathematicsGeneral equationsGCSEEdexcel Created by: Mumin.ACreated on: 06-10-18 08:58 What is the area of non right angle triangle? 1/2absinC 1 of 8 What is the circumference of a circle? 2πr or πd (r for radius and d for diameter) 2 of 8 What is the tan rule for trigonometry in a right angle triangle? tanx = opposite/adjacent 3 of 8 What is the sin rule for trigonometry in a right angle triangle? sinx = opposite/hypoteneuse 4 of 8 What is the cos rule for trigonometry in a right angle triangle? cosx = adjacent/hypoteneuse 5 of 8 cosine rue a2 = b2 +c2 -cos A 6 of 8 What is the sine rule? a/sinA = b/sinB = c/sinC 7 of 8 Quadratic equation ax^2 +bx+c = 0 8 of 8
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