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5 Terms
1
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sine rule for finding sides
a/sin(A) = b/sin(B) = c/sin(C)
2
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sine rule for finding angles
sin(A)/a = sin(B)/b = sin(C)/c
3
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cosine rule for finding sides
c2 = a2 + b2 - 2ab x cos(C)
4
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cosine rule for finding angles
cos(C) = (a2 + b2 - c2)/2ab
5
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area of a triangle
A = ½ x ab x sin(C)
Note 
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