The Sine rule can be used with many different angle and side combinations when combined with the 180 degree rule and can be further combined with the cosine rule when faced with an angle between 2 sides.
Sides - a ÷ sin(A) = b ÷ sin(B) = c ÷ sin(C)
Angles - sin(A) ÷ a = sin(B) ÷ b = sin(C) ÷ c
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