Trigonometry 0.0 / 5 MathematicsTrigonometryGCSEAll boards Created by: ellieclough1Created on: 13-10-17 09:22 What is the Sine rule? a/SinA = b/SinB = c/SinC 1 of 10 What is Pythagoras' theorm? a^2 + b^2 = c^2 2 of 10 What is the Cosine rule? a^2 = b^2 + c^2 2bcCosA 3 of 10 Sin(x)=? Opposite/Hypotenuse 4 of 10 Cos(x)=? Adjacent/Hypotenuse 5 of 10 Tan(x)=? Opposite/Adjacent 6 of 10 When to use sine rule? (On a non right-angled triangle) Two sides and an opposite angle to one of the sides or two angles and an opposite side to one of the angles 7 of 10 When to use the cosine rule? (On a non right-angled triangle) Two sides and the angle between them or all three sides 8 of 10 When to use pythagoras' theorm? To find a missing side of a right-angled triangle 9 of 10 When to use SOH CAH TOA? (On a right-angled triangle) Two sides and an angle is to be found or an angle and a side where another side is to be found 10 of 10

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