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12 questions from this quiz
Cosine rule
Sine rule
Three
They aren't independent measurements
a2=b2+c2−2bccosAa^2 = b^2 + c^2 - 2bc \cos Aa2=b2+c2−2bccosA
sinAa=sinBb\frac{\sin A}{a} = \frac{\sin B}{b}asinA=bsinB
12absinC\frac{1}{2}ab \sin C21absinC
Clockwise from North
Two sides, non-included angle
Keep them in your calculator
Draw a diagram
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