Advanced Trigonometry Flashcards by Evan Rackham

Q

The Sine rule to find a length

A

a/sinA = b/sinB = c/sinC

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Q

The Sine rule to find an angle

A

SinA/a = SinB/b = SinC/c

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Q

The Cosine Rule to find a length

A

a(2) = b(2) + c(2) - 2 b c cosA

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Q

The Cosine rule to find an angle

A

CosA = ( b(2) + c(2) - a(2) ) / 2 b c

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Q

Area of a triangle using trigonometry

A

Area = 1/2 a b sinC

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