Sine and Cosine Rule Flashcards

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1
Q

What is the sine rule for finding a missing angle? What about a missing side?

A

Angle: (sinA / a) = (sinB / b) = (sinC / c)
Side: (a / sinA) = (b / sinB) = (c / sinC)

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2
Q

What is the formula for the cosine rule?

A

a^2 = b^2 + c^2 - 2bc cos(A)

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