Formulas Flashcards by Jagoda Smulska | Brainscape

Q

Sine rule for finding an angle

A

SinA/a = SinB/b = SinC/c

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Q

Sine rule for finding a side

A

a/SinA = b/SinB = c/SinC

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Q

Cosine rule for finding an side

A

a^2=b^2+c^2-2bcCosA

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Q

Cosine rule for finding an angle

A

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

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